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-rw-r--r--src/server/gdb_server.c962
-rw-r--r--src/server/gdb_server.h5
-rw-r--r--src/server/server.c273
-rw-r--r--src/server/server.h22
-rw-r--r--src/server/server_stubs.c4
-rw-r--r--src/server/tcl_server.c25
-rw-r--r--src/server/tcl_server.h2
-rw-r--r--src/server/telnet_server.c380
-rw-r--r--src/server/telnet_server.h12
9 files changed, 706 insertions, 979 deletions
diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 0cbd8e6..238273b 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -29,6 +29,7 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -54,8 +55,7 @@
*/
/* private connection data for GDB */
-struct gdb_connection
-{
+struct gdb_connection {
char buffer[GDB_BUFFER_SIZE];
char *buf_p;
int buf_cnt;
@@ -66,8 +66,8 @@ struct gdb_connection
int busy;
int noack_mode;
bool sync; /* set flag to true if you want the next stepi to return immediately.
- allowing GDB to pick up a fresh set of register values from the target
- without modifying the target state. */
+ allowing GDB to pick up a fresh set of register values from the target
+ without modifying the target state. */
/* We delay reporting memory write errors until next step/continue or memory
* write. This improves performance of gdb load significantly as the GDB packet
* can be replied immediately and a new GDB packet will be ready without delay
@@ -112,20 +112,20 @@ static int gdb_report_data_abort;
static int gdb_last_signal(struct target *target)
{
- switch (target->debug_reason)
- {
+ switch (target->debug_reason) {
case DBG_REASON_DBGRQ:
- return 0x2; /* SIGINT */
+ return 0x2; /* SIGINT */
case DBG_REASON_BREAKPOINT:
case DBG_REASON_WATCHPOINT:
case DBG_REASON_WPTANDBKPT:
- return 0x05; /* SIGTRAP */
+ return 0x05; /* SIGTRAP */
case DBG_REASON_SINGLESTEP:
- return 0x05; /* SIGTRAP */
+ return 0x05; /* SIGTRAP */
case DBG_REASON_NOTHALTED:
- return 0x0; /* no signal... shouldn't happen */
+ return 0x0; /* no signal... shouldn't happen */
default:
- LOG_USER("undefined debug reason %d - target needs reset", target->debug_reason);
+ LOG_USER("undefined debug reason %d - target needs reset",
+ target->debug_reason);
return 0x0;
}
}
@@ -141,11 +141,10 @@ static int check_pending(struct connection *connection,
struct gdb_connection *gdb_con = connection->priv;
int t;
if (got_data == NULL)
- got_data=&t;
+ got_data = &t;
*got_data = 0;
- if (gdb_con->buf_cnt > 0)
- {
+ if (gdb_con->buf_cnt > 0) {
*got_data = 1;
return ERROR_OK;
}
@@ -155,24 +154,20 @@ static int check_pending(struct connection *connection,
tv.tv_sec = timeout_s;
tv.tv_usec = 0;
- if (socket_select(connection->fd + 1, &read_fds, NULL, NULL, &tv) == 0)
- {
+ if (socket_select(connection->fd + 1, &read_fds, NULL, NULL, &tv) == 0) {
/* This can typically be because a "monitor" command took too long
* before printing any progress messages
*/
if (timeout_s > 0)
- {
return ERROR_GDB_TIMEOUT;
- } else
- {
+ else
return ERROR_OK;
- }
}
*got_data = FD_ISSET(connection->fd, &read_fds) != 0;
return ERROR_OK;
}
-static int gdb_get_char_inner(struct connection *connection, int* next_char)
+static int gdb_get_char_inner(struct connection *connection, int *next_char)
{
struct gdb_connection *gdb_con = connection->priv;
int retval = ERROR_OK;
@@ -180,26 +175,21 @@ static int gdb_get_char_inner(struct connection *connection, int* next_char)
#ifdef _DEBUG_GDB_IO_
char *debug_buffer;
#endif
- for (;;)
- {
+ for (;; ) {
if (connection->service->type != CONNECTION_TCP)
- {
gdb_con->buf_cnt = read(connection->fd, gdb_con->buffer, GDB_BUFFER_SIZE);
- }
- else
- {
+ else {
retval = check_pending(connection, 1, NULL);
if (retval != ERROR_OK)
return retval;
- gdb_con->buf_cnt = read_socket(connection->fd, gdb_con->buffer, GDB_BUFFER_SIZE);
+ gdb_con->buf_cnt = read_socket(connection->fd,
+ gdb_con->buffer,
+ GDB_BUFFER_SIZE);
}
if (gdb_con->buf_cnt > 0)
- {
break;
- }
- if (gdb_con->buf_cnt == 0)
- {
+ if (gdb_con->buf_cnt == 0) {
gdb_con->closed = 1;
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -207,8 +197,7 @@ static int gdb_get_char_inner(struct connection *connection, int* next_char)
#ifdef _WIN32
errno = WSAGetLastError();
- switch (errno)
- {
+ switch (errno) {
case WSAEWOULDBLOCK:
usleep(1000);
break;
@@ -223,8 +212,7 @@ static int gdb_get_char_inner(struct connection *connection, int* next_char)
exit(-1);
}
#else
- switch (errno)
- {
+ switch (errno) {
case EAGAIN:
usleep(1000);
break;
@@ -268,12 +256,12 @@ static int gdb_get_char_inner(struct connection *connection, int* next_char)
*
* For small caches and embedded systems this is important!
*/
-static inline int gdb_get_char_fast(struct connection *connection, int* next_char, char **buf_p, int *buf_cnt)
+static inline int gdb_get_char_fast(struct connection *connection,
+ int *next_char, char **buf_p, int *buf_cnt)
{
int retval = ERROR_OK;
- if ((*buf_cnt)-- > 0)
- {
+ if ((*buf_cnt)-- > 0) {
*next_char = **buf_p;
(*buf_p)++;
if (*buf_cnt > 0)
@@ -298,27 +286,21 @@ static inline int gdb_get_char_fast(struct connection *connection, int* next_cha
return retval;
}
-
-static int gdb_get_char(struct connection *connection, int* next_char)
+static int gdb_get_char(struct connection *connection, int *next_char)
{
struct gdb_connection *gdb_con = connection->priv;
return gdb_get_char_fast(connection, next_char, &gdb_con->buf_p, &gdb_con->buf_cnt);
}
-
static int gdb_putback_char(struct connection *connection, int last_char)
{
struct gdb_connection *gdb_con = connection->priv;
- if (gdb_con->buf_p > gdb_con->buffer)
- {
+ if (gdb_con->buf_p > gdb_con->buffer) {
*(--gdb_con->buf_p) = last_char;
gdb_con->buf_cnt++;
- }
- else
- {
+ } else
LOG_ERROR("BUG: couldn't put character back");
- }
return ERROR_OK;
}
@@ -333,9 +315,7 @@ static int gdb_write(struct connection *connection, void *data, int len)
return ERROR_SERVER_REMOTE_CLOSED;
if (connection_write(connection, data, len) == len)
- {
return ERROR_OK;
- }
gdb_con->closed = 1;
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -362,14 +342,14 @@ static int gdb_put_packet_inner(struct connection *connection,
* an ACK (+) for everything we've sent off.
*/
int gotdata;
- for (;;)
- {
+ for (;; ) {
retval = check_pending(connection, 0, &gotdata);
if (retval != ERROR_OK)
return retval;
if (!gotdata)
break;
- if ((retval = gdb_get_char(connection, &reply)) != ERROR_OK)
+ retval = gdb_get_char(connection, &reply);
+ if (retval != ERROR_OK)
return retval;
if (reply == '$') {
/* fix a problem with some IAR tools */
@@ -382,8 +362,7 @@ static int gdb_put_packet_inner(struct connection *connection,
}
#endif
- while (1)
- {
+ while (1) {
#ifdef _DEBUG_GDB_IO_
debug_buffer = strndup(buffer, len);
LOG_DEBUG("sending packet '$%s#%2.2x'", debug_buffer, my_checksum);
@@ -392,85 +371,74 @@ static int gdb_put_packet_inner(struct connection *connection,
char local_buffer[1024];
local_buffer[0] = '$';
- if ((size_t)len + 4 <= sizeof(local_buffer))
- {
- /* performance gain on smaller packets by only a single call to gdb_write() */
+ if ((size_t)len + 4 <= sizeof(local_buffer)) {
+ /* performance gain on smaller packets by only a single call to gdb_write()
+ **/
memcpy(local_buffer + 1, buffer, len++);
local_buffer[len++] = '#';
local_buffer[len++] = DIGITS[(my_checksum >> 4) & 0xf];
local_buffer[len++] = DIGITS[my_checksum & 0xf];
- if ((retval = gdb_write(connection, local_buffer, len)) != ERROR_OK)
- {
+ retval = gdb_write(connection, local_buffer, len);
+ if (retval != ERROR_OK)
return retval;
- }
- }
- else
- {
+ } else {
/* larger packets are transmitted directly from caller supplied buffer
by several calls to gdb_write() to avoid dynamic allocation */
local_buffer[1] = '#';
local_buffer[2] = DIGITS[(my_checksum >> 4) & 0xf];
local_buffer[3] = DIGITS[my_checksum & 0xf];
- if ((retval = gdb_write(connection, local_buffer, 1)) != ERROR_OK)
- {
+ retval = gdb_write(connection, local_buffer, 1);
+ if (retval != ERROR_OK)
return retval;
- }
- if ((retval = gdb_write(connection, buffer, len)) != ERROR_OK)
- {
+ retval = gdb_write(connection, buffer, len);
+ if (retval != ERROR_OK)
return retval;
- }
- if ((retval = gdb_write(connection, local_buffer + 1, 3)) != ERROR_OK)
- {
+ retval = gdb_write(connection, local_buffer + 1, 3);
+ if (retval != ERROR_OK)
return retval;
- }
}
if (gdb_con->noack_mode)
break;
- if ((retval = gdb_get_char(connection, &reply)) != ERROR_OK)
+ retval = gdb_get_char(connection, &reply);
+ if (retval != ERROR_OK)
return retval;
if (reply == '+')
break;
- else if (reply == '-')
- {
+ else if (reply == '-') {
/* Stop sending output packets for now */
log_remove_callback(gdb_log_callback, connection);
LOG_WARNING("negative reply, retrying");
- }
- else if (reply == 0x3)
- {
+ } else if (reply == 0x3) {
gdb_con->ctrl_c = 1;
- if ((retval = gdb_get_char(connection, &reply)) != ERROR_OK)
+ retval = gdb_get_char(connection, &reply);
+ if (retval != ERROR_OK)
return retval;
if (reply == '+')
break;
- else if (reply == '-')
- {
+ else if (reply == '-') {
/* Stop sending output packets for now */
log_remove_callback(gdb_log_callback, connection);
LOG_WARNING("negative reply, retrying");
- }
- else if (reply == '$') {
+ } else if (reply == '$') {
LOG_ERROR("GDB missing ack(1) - assumed good");
gdb_putback_char(connection, reply);
return ERROR_OK;
} else {
-
- LOG_ERROR("unknown character(1) 0x%2.2x in reply, dropping connection", reply);
+ LOG_ERROR(
+ "unknown character(1) 0x%2.2x in reply, dropping connection", reply);
gdb_con->closed = 1;
return ERROR_SERVER_REMOTE_CLOSED;
}
- }
- else if (reply == '$') {
+ } else if (reply == '$') {
LOG_ERROR("GDB missing ack(2) - assumed good");
gdb_putback_char(connection, reply);
return ERROR_OK;
- }
- else
- {
- LOG_ERROR("unknown character(2) 0x%2.2x in reply, dropping connection", reply);
+ } else {
+ LOG_ERROR("unknown character(2) 0x%2.2x in reply, dropping connection",
+ reply);
gdb_con->closed = 1;
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -494,7 +462,8 @@ int gdb_put_packet(struct connection *connection, char *buffer, int len)
return retval;
}
-static __inline__ int fetch_packet(struct connection *connection, int *checksum_ok, int noack, int *len, char *buffer)
+static inline int fetch_packet(struct connection *connection,
+ int *checksum_ok, int noack, int *len, char *buffer)
{
unsigned char my_checksum = 0;
char checksum[3];
@@ -511,14 +480,12 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
char *buf_p = gdb_con->buf_p;
int buf_cnt = gdb_con->buf_cnt;
- for (;;)
- {
+ for (;; ) {
/* The common case is that we have an entire packet with no escape chars.
* We need to leave at least 2 bytes in the buffer to have
* gdb_get_char() update various bits and bobs correctly.
*/
- if ((buf_cnt > 2) && ((buf_cnt + count) < *len))
- {
+ if ((buf_cnt > 2) && ((buf_cnt + count) < *len)) {
/* The compiler will struggle a bit with constant propagation and
* aliasing, so we help it by showing that these values do not
* change inside the loop
@@ -528,12 +495,10 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
int run = buf_cnt - 2;
i = 0;
int done = 0;
- while (i < run)
- {
+ while (i < run) {
character = *buf++;
i++;
- if (character == '#')
- {
+ if (character == '#') {
/* Danger! character can be '#' when esc is
* used so we need an explicit boolean for done here.
*/
@@ -541,8 +506,7 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
break;
}
- if (character == '}')
- {
+ if (character == '}') {
/* data transmitted in binary mode (X packet)
* uses 0x7d as escape character */
my_checksum += character & 0xff;
@@ -550,9 +514,7 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
i++;
my_checksum += character & 0xff;
buffer[count++] = (character ^ 0x20) & 0xff;
- }
- else
- {
+ } else {
my_checksum += character & 0xff;
buffer[count++] = character & 0xff;
}
@@ -562,8 +524,7 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
if (done)
break;
}
- if (count > *len)
- {
+ if (count > *len) {
LOG_ERROR("packet buffer too small");
retval = ERROR_GDB_BUFFER_TOO_SMALL;
break;
@@ -576,8 +537,7 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
if (character == '#')
break;
- if (character == '}')
- {
+ if (character == '}') {
/* data transmitted in binary mode (X packet)
* uses 0x7d as escape character */
my_checksum += character & 0xff;
@@ -588,9 +548,7 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
my_checksum += character & 0xff;
buffer[count++] = (character ^ 0x20) & 0xff;
- }
- else
- {
+ } else {
my_checksum += character & 0xff;
buffer[count++] = character & 0xff;
}
@@ -604,18 +562,18 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
*len = count;
- if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
+ retval = gdb_get_char(connection, &character);
+ if (retval != ERROR_OK)
return retval;
checksum[0] = character;
- if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
+ retval = gdb_get_char(connection, &character);
+ if (retval != ERROR_OK)
return retval;
checksum[1] = character;
checksum[2] = 0;
if (!noack)
- {
*checksum_ok = (my_checksum == strtoul(checksum, NULL, 16));
- }
return ERROR_OK;
}
@@ -627,24 +585,24 @@ static int gdb_get_packet_inner(struct connection *connection,
int retval;
struct gdb_connection *gdb_con = connection->priv;
- while (1)
- {
- do
- {
- if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
+ while (1) {
+ do {
+ retval = gdb_get_char(connection, &character);
+ if (retval != ERROR_OK)
return retval;
#ifdef _DEBUG_GDB_IO_
LOG_DEBUG("character: '%c'", character);
#endif
- switch (character)
- {
+ switch (character) {
case '$':
break;
case '+':
- /* gdb sends a dummy ack '+' at every remote connect - see remote_start_remote (remote.c)
- * in case anyone tries to debug why they receive this warning every time */
+ /* gdb sends a dummy ack '+' at every remote connect - see
+ * remote_start_remote (remote.c)
+ * in case anyone tries to debug why they receive this
+ * warning every time */
LOG_WARNING("acknowledgment received, but no packet pending");
break;
case '-':
@@ -660,33 +618,28 @@ static int gdb_get_packet_inner(struct connection *connection,
}
} while (character != '$');
-
-
int checksum_ok = 0;
/* explicit code expansion here to get faster inlined code in -O3 by not
* calculating checksum
*/
- if (gdb_con->noack_mode)
- {
- if ((retval = fetch_packet(connection, &checksum_ok, 1, len, buffer)) != ERROR_OK)
+ if (gdb_con->noack_mode) {
+ retval = fetch_packet(connection, &checksum_ok, 1, len, buffer);
+ if (retval != ERROR_OK)
return retval;
- } else
- {
- if ((retval = fetch_packet(connection, &checksum_ok, 0, len, buffer)) != ERROR_OK)
+ } else {
+ retval = fetch_packet(connection, &checksum_ok, 0, len, buffer);
+ if (retval != ERROR_OK)
return retval;
}
- if (gdb_con->noack_mode)
- {
+ if (gdb_con->noack_mode) {
/* checksum is not checked in noack mode */
break;
}
- if (checksum_ok)
- {
- if ((retval = gdb_write(connection, "+", 1)) != ERROR_OK)
- {
+ if (checksum_ok) {
+ retval = gdb_write(connection, "+", 1);
+ if (retval != ERROR_OK)
return retval;
- }
break;
}
}
@@ -705,7 +658,7 @@ static int gdb_get_packet(struct connection *connection, char *buffer, int *len)
return retval;
}
-static int gdb_output_con(struct connection *connection, const char* line)
+static int gdb_output_con(struct connection *connection, const char *line)
{
char *hex_buffer;
int i, bin_size;
@@ -727,14 +680,13 @@ static int gdb_output_con(struct connection *connection, const char* line)
return retval;
}
-static int gdb_output(struct command_context *context, const char* line)
+static int gdb_output(struct command_context *context, const char *line)
{
/* this will be dumped to the log and also sent as an O packet if possible */
LOG_USER_N("%s", line);
return ERROR_OK;
}
-
static void gdb_frontend_halted(struct target *target, struct connection *connection)
{
struct gdb_connection *gdb_connection = connection->priv;
@@ -748,28 +700,23 @@ static void gdb_frontend_halted(struct target *target, struct connection *connec
* out of the running state so we'll see lots of TARGET_EVENT_XXX
* that are to be ignored.
*/
- if (gdb_connection->frontend_state == TARGET_RUNNING)
- {
+ if (gdb_connection->frontend_state == TARGET_RUNNING) {
char sig_reply[4];
int signal_var;
/* stop forwarding log packets! */
log_remove_callback(gdb_log_callback, connection);
- if (gdb_connection->ctrl_c)
- {
+ if (gdb_connection->ctrl_c) {
signal_var = 0x2;
gdb_connection->ctrl_c = 0;
- }
- else
- {
+ } else
signal_var = gdb_last_signal(target);
- }
snprintf(sig_reply, 4, "T%2.2x", signal_var);
gdb_put_packet(connection, sig_reply, 3);
gdb_connection->frontend_state = TARGET_HALTED;
- rtos_update_threads( target );
+ rtos_update_threads(target);
}
}
@@ -780,8 +727,7 @@ static int gdb_target_callback_event_handler(struct target *target,
struct connection *connection = priv;
target_handle_event(target, event);
- switch (event)
- {
+ switch (event) {
case TARGET_EVENT_GDB_HALT:
gdb_frontend_halted(target, connection);
break;
@@ -790,10 +736,9 @@ static int gdb_target_callback_event_handler(struct target *target,
break;
case TARGET_EVENT_GDB_FLASH_ERASE_START:
target_handle_event(target, TARGET_EVENT_OLD_gdb_program_config);
- if ((retval = jtag_execute_queue()) != ERROR_OK)
- {
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
return retval;
- }
break;
default:
break;
@@ -837,12 +782,12 @@ static int gdb_new_connection(struct connection *connection)
watchpoint_clear_target(gdb_service->target);
/* clean previous rtos session if supported*/
- if ((gdb_service->target->rtos) &&
- (gdb_service->target->rtos->type->clean))
+ if ((gdb_service->target->rtos) && (gdb_service->target->rtos->type->clean))
gdb_service->target->rtos->type->clean(gdb_service->target);
/* remove the initial ACK from the incoming buffer */
- if ((retval = gdb_get_char(connection, &initial_ack)) != ERROR_OK)
+ retval = gdb_get_char(connection, &initial_ack);
+ if (retval != ERROR_OK)
return retval;
/* FIX!!!??? would we actually ever receive a + here???
@@ -852,21 +797,19 @@ static int gdb_new_connection(struct connection *connection)
gdb_putback_char(connection, initial_ack);
target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_ATTACH);
- if (gdb_use_memory_map)
- {
+ if (gdb_use_memory_map) {
/* Connect must fail if the memory map can't be set up correctly.
*
* This will cause an auto_probe to be invoked, which is either
* a no-op or it will fail when the target isn't ready(e.g. not halted).
*/
int i;
- for (i = 0; i < flash_get_bank_count(); i++)
- {
+ for (i = 0; i < flash_get_bank_count(); i++) {
struct flash_bank *p;
retval = get_flash_bank_by_num(i, &p);
- if (retval != ERROR_OK)
- {
- LOG_ERROR("Connect failed. Consider setting up a gdb-attach event for the target to prepare target for GDB connect, or use 'gdb_memory_map disable'.");
+ if (retval != ERROR_OK) {
+ LOG_ERROR(
+ "Connect failed. Consider setting up a gdb-attach event for the target to prepare target for GDB connect, or use 'gdb_memory_map disable'.");
return retval;
}
}
@@ -900,13 +843,12 @@ static int gdb_connection_closed(struct connection *connection)
gdb_actual_connections--;
LOG_DEBUG("GDB Close, Target: %s, state: %s, gdb_actual_connections=%d",
- target_name(gdb_service->target),
- target_state_name(gdb_service->target),
- gdb_actual_connections);
+ target_name(gdb_service->target),
+ target_state_name(gdb_service->target),
+ gdb_actual_connections);
/* see if an image built with vFlash commands is left */
- if (gdb_connection->vflash_image)
- {
+ if (gdb_connection->vflash_image) {
image_close(gdb_connection->vflash_image);
free(gdb_connection->vflash_image);
gdb_connection->vflash_image = NULL;
@@ -915,16 +857,11 @@ static int gdb_connection_closed(struct connection *connection)
/* if this connection registered a debug-message receiver delete it */
delete_debug_msg_receiver(connection->cmd_ctx, gdb_service->target);
- if (connection->priv)
- {
+ if (connection->priv) {
free(connection->priv);
connection->priv = NULL;
- }
- else
- {
+ } else
LOG_ERROR("BUG: connection->priv == NULL");
- }
-
target_unregister_event_callback(gdb_target_callback_event_handler, connection);
@@ -943,7 +880,7 @@ static void gdb_send_error(struct connection *connection, uint8_t the_error)
}
static int gdb_last_signal_packet(struct connection *connection,
- char* packet, int packet_size)
+ char *packet, int packet_size)
{
struct target *target = get_target_from_connection(connection);
char sig_reply[4];
@@ -984,8 +921,7 @@ static void gdb_str_to_target(struct target *target,
buf = reg->value;
buf_len = DIV_ROUND_UP(reg->size, 8);
- for (i = 0; i < buf_len; i++)
- {
+ for (i = 0; i < buf_len; i++) {
int j = gdb_reg_pos(target, i, buf_len);
tstr[i*2] = DIGITS[(buf[j]>>4) & 0xf];
tstr[i*2 + 1] = DIGITS[buf[j]&0xf];
@@ -994,15 +930,11 @@ static void gdb_str_to_target(struct target *target,
static int hextoint(int c)
{
- if (c>='0'&&c<='9')
- {
- return c-'0';
- }
+ if (c >= '0' && c <= '9')
+ return c - '0';
c = toupper(c);
- if (c>='A'&&c<='F')
- {
- return c-'A'+10;
- }
+ if (c >= 'A' && c <= 'F')
+ return c - 'A' + 10;
LOG_ERROR("BUG: invalid register value %08x", c);
return 0;
}
@@ -1011,15 +943,13 @@ static int hextoint(int c)
static void gdb_target_to_reg(struct target *target,
char *tstr, int str_len, uint8_t *bin)
{
- if (str_len % 2)
- {
+ if (str_len % 2) {
LOG_ERROR("BUG: gdb value with uneven number of characters encountered");
exit(-1);
}
int i;
- for (i = 0; i < str_len; i += 2)
- {
+ for (i = 0; i < str_len; i += 2) {
uint8_t t = hextoint(tstr[i]) << 4;
t |= hextoint(tstr[i + 1]);
@@ -1029,7 +959,7 @@ static void gdb_target_to_reg(struct target *target,
}
static int gdb_get_registers_packet(struct connection *connection,
- char* packet, int packet_size)
+ char *packet, int packet_size)
{
struct target *target = get_target_from_connection(connection);
struct reg **reg_list;
@@ -1044,29 +974,22 @@ static int gdb_get_registers_packet(struct connection *connection,
LOG_DEBUG("-");
#endif
- if ((target->rtos != NULL) &&
- (ERROR_OK == rtos_get_gdb_reg_list(connection)))
- {
+ if ((target->rtos != NULL) && (ERROR_OK == rtos_get_gdb_reg_list(connection)))
return ERROR_OK;
- }
- if ((retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
- {
+ retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size);
+ if (retval != ERROR_OK)
return gdb_error(connection, retval);
- }
for (i = 0; i < reg_list_size; i++)
- {
reg_packet_size += DIV_ROUND_UP(reg_list[i]->size, 8) * 2;
- }
assert(reg_packet_size > 0);
reg_packet = malloc(reg_packet_size);
reg_packet_p = reg_packet;
- for (i = 0; i < reg_list_size; i++)
- {
+ for (i = 0; i < reg_list_size; i++) {
if (!reg_list[i]->valid)
reg_list[i]->type->get(reg_list[i]);
gdb_str_to_target(target, reg_packet_p, reg_list[i]);
@@ -1108,27 +1031,23 @@ static int gdb_set_registers_packet(struct connection *connection,
packet++;
packet_size--;
- if (packet_size % 2)
- {
- LOG_WARNING("GDB set_registers packet with uneven characters received, dropping connection");
+ if (packet_size % 2) {
+ LOG_WARNING(
+ "GDB set_registers packet with uneven characters received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
- if ((retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
- {
+ retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size);
+ if (retval != ERROR_OK)
return gdb_error(connection, retval);
- }
packet_p = packet;
- for (i = 0; i < reg_list_size; i++)
- {
+ for (i = 0; i < reg_list_size; i++) {
uint8_t *bin_buf;
int chars = (DIV_ROUND_UP(reg_list[i]->size, 8) * 2);
if (packet_p + chars > packet + packet_size)
- {
LOG_ERROR("BUG: register packet is too small for registers");
- }
bin_buf = malloc(DIV_ROUND_UP(reg_list[i]->size, 8));
gdb_target_to_reg(target, packet_p, chars, bin_buf);
@@ -1138,7 +1057,6 @@ static int gdb_set_registers_packet(struct connection *connection,
/* advance packet pointer */
packet_p += chars;
-
free(bin_buf);
}
@@ -1151,7 +1069,7 @@ static int gdb_set_registers_packet(struct connection *connection,
}
static int gdb_get_register_packet(struct connection *connection,
- char *packet, int packet_size)
+ char *packet, int packet_size)
{
struct target *target = get_target_from_connection(connection);
char *reg_packet;
@@ -1164,13 +1082,11 @@ static int gdb_get_register_packet(struct connection *connection,
LOG_DEBUG("-");
#endif
- if ((retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
- {
+ retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size);
+ if (retval != ERROR_OK)
return gdb_error(connection, retval);
- }
- if (reg_list_size <= reg_num)
- {
+ if (reg_list_size <= reg_num) {
LOG_ERROR("gdb requested a non-existing register");
exit(-1);
}
@@ -1191,7 +1107,7 @@ static int gdb_get_register_packet(struct connection *connection,
}
static int gdb_set_register_packet(struct connection *connection,
- char *packet, int packet_size)
+ char *packet, int packet_size)
{
struct target *target = get_target_from_connection(connection);
char *separator;
@@ -1203,19 +1119,16 @@ static int gdb_set_register_packet(struct connection *connection,
LOG_DEBUG("-");
- if ((retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
- {
+ retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size);
+ if (retval != ERROR_OK)
return gdb_error(connection, retval);
- }
- if (reg_list_size < reg_num)
- {
+ if (reg_list_size < reg_num) {
LOG_ERROR("gdb requested a non-existing register");
return ERROR_SERVER_REMOTE_CLOSED;
}
- if (*separator != '=')
- {
+ if (*separator != '=') {
LOG_ERROR("GDB 'set register packet', but no '=' following the register number");
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -1272,8 +1185,7 @@ static int gdb_read_memory_packet(struct connection *connection,
addr = strtoul(packet, &separator, 16);
- if (*separator != ',')
- {
+ if (*separator != ',') {
LOG_ERROR("incomplete read memory packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -1286,8 +1198,7 @@ static int gdb_read_memory_packet(struct connection *connection,
retval = target_read_buffer(target, addr, len, buffer);
- if ((retval != ERROR_OK)&&!gdb_report_data_abort)
- {
+ if ((retval != ERROR_OK) && !gdb_report_data_abort) {
/* TODO : Here we have to lie and send back all zero's lest stack traces won't work.
* At some point this might be fixed in GDB, in which case this code can be removed.
*
@@ -1295,7 +1206,8 @@ static int gdb_read_memory_packet(struct connection *connection,
* gained by involving the user in this problem that hopefully will get resolved
* eventually
*
- * http://sourceware.org/cgi-bin/gnatsweb.pl?cmd = view%20audit-trail&database = gdb&pr = 2395
+ * http://sourceware.org/cgi-bin/gnatsweb.pl? \
+ * cmd = view%20audit-trail&database = gdb&pr = 2395
*
* For now, the default is to fix up things to make current GDB versions work.
* This can be overwritten using the gdb_report_data_abort <'enable'|'disable'> command.
@@ -1304,13 +1216,11 @@ static int gdb_read_memory_packet(struct connection *connection,
retval = ERROR_OK;
}
- if (retval == ERROR_OK)
- {
+ if (retval == ERROR_OK) {
hex_buffer = malloc(len * 2 + 1);
uint32_t i;
- for (i = 0; i < len; i++)
- {
+ for (i = 0; i < len; i++) {
uint8_t t = buffer[i];
hex_buffer[2 * i] = DIGITS[(t >> 4) & 0xf];
hex_buffer[2 * i + 1] = DIGITS[t & 0xf];
@@ -1319,11 +1229,8 @@ static int gdb_read_memory_packet(struct connection *connection,
gdb_put_packet(connection, hex_buffer, len * 2);
free(hex_buffer);
- }
- else
- {
+ } else
retval = gdb_error(connection, retval);
- }
free(buffer);
@@ -1348,16 +1255,14 @@ static int gdb_write_memory_packet(struct connection *connection,
addr = strtoul(packet, &separator, 16);
- if (*separator != ',')
- {
+ if (*separator != ',') {
LOG_ERROR("incomplete write memory packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
len = strtoul(separator + 1, &separator, 16);
- if (*(separator++) != ':')
- {
+ if (*(separator++) != ':') {
LOG_ERROR("incomplete write memory packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -1366,23 +1271,18 @@ static int gdb_write_memory_packet(struct connection *connection,
LOG_DEBUG("addr: 0x%8.8" PRIx32 ", len: 0x%8.8" PRIx32 "", addr, len);
- for (i = 0; i < len; i++)
- {
+ for (i = 0; i < len; i++) {
uint32_t tmp;
- sscanf(separator + 2*i, "%2" SCNx32 , &tmp);
+ sscanf(separator + 2*i, "%2" SCNx32, &tmp);
buffer[i] = tmp;
}
retval = target_write_buffer(target, addr, len, buffer);
if (retval == ERROR_OK)
- {
gdb_put_packet(connection, "OK", 2);
- }
else
- {
retval = gdb_error(connection, retval);
- }
free(buffer);
@@ -1404,24 +1304,21 @@ static int gdb_write_memory_binary_packet(struct connection *connection,
addr = strtoul(packet, &separator, 16);
- if (*separator != ',')
- {
+ if (*separator != ',') {
LOG_ERROR("incomplete write memory binary packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
len = strtoul(separator + 1, &separator, 16);
- if (*(separator++) != ':')
- {
+ if (*(separator++) != ':') {
LOG_ERROR("incomplete write memory binary packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
struct gdb_connection *gdb_connection = connection->priv;
- if (gdb_connection->mem_write_error)
- {
+ if (gdb_connection->mem_write_error) {
retval = ERROR_FAIL;
/* now that we have reported the memory write error, we can clear the condition */
gdb_connection->mem_write_error = false;
@@ -1431,24 +1328,19 @@ static int gdb_write_memory_binary_packet(struct connection *connection,
* while we write the last one to the target.
*/
if (retval == ERROR_OK)
- {
gdb_put_packet(connection, "OK", 2);
- }
- else
- {
- if ((retval = gdb_error(connection, retval)) != ERROR_OK)
+ else {
+ retval = gdb_error(connection, retval);
+ if (retval != ERROR_OK)
return retval;
}
- if (len)
- {
+ if (len) {
LOG_DEBUG("addr: 0x%8.8" PRIx32 ", len: 0x%8.8" PRIx32 "", addr, len);
- retval = target_write_buffer(target, addr, len, (uint8_t*)separator);
+ retval = target_write_buffer(target, addr, len, (uint8_t *)separator);
if (retval != ERROR_OK)
- {
gdb_connection->mem_write_error = true;
- }
}
return ERROR_OK;
@@ -1464,24 +1356,20 @@ static int gdb_step_continue_packet(struct connection *connection,
LOG_DEBUG("-");
- if (packet_size > 1)
- {
+ if (packet_size > 1) {
packet[packet_size] = 0;
address = strtoul(packet + 1, NULL, 16);
- }
- else
- {
+ } else
current = 1;
- }
- if (packet[0] == 'c')
- {
+ if (packet[0] == 'c') {
LOG_DEBUG("continue");
target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
- retval = target_resume(target, current, address, 0, 0); /* resume at current address, don't handle breakpoints, not debugging */
- }
- else if (packet[0] == 's')
- {
+ retval = target_resume(target, current, address, 0, 0); /* resume at current
+ *address, don't handle
+ *breakpoints, not debugging
+ **/
+ } else if (packet[0] == 's') {
LOG_DEBUG("step");
/* step at current or address, don't handle breakpoints */
retval = target_step(target, current, address, 0);
@@ -1507,60 +1395,48 @@ static int gdb_breakpoint_watchpoint_packet(struct connection *connection,
if (type == 0) /* memory breakpoint */
bp_type = BKPT_SOFT;
- else if (type == 1) /* hardware breakpoint */
+ else if (type == 1) /* hardware breakpoint */
bp_type = BKPT_HARD;
- else if (type == 2) /* write watchpoint */
+ else if (type == 2) /* write watchpoint */
wp_type = WPT_WRITE;
- else if (type == 3) /* read watchpoint */
+ else if (type == 3) /* read watchpoint */
wp_type = WPT_READ;
- else if (type == 4) /* access watchpoint */
+ else if (type == 4) /* access watchpoint */
wp_type = WPT_ACCESS;
- else
- {
+ else {
LOG_ERROR("invalid gdb watch/breakpoint type(%d), dropping connection", type);
return ERROR_SERVER_REMOTE_CLOSED;
}
-
- if (gdb_breakpoint_override && ((bp_type == BKPT_SOFT)||(bp_type == BKPT_HARD)))
- {
+ if (gdb_breakpoint_override && ((bp_type == BKPT_SOFT) || (bp_type == BKPT_HARD)))
bp_type = gdb_breakpoint_override_type;
- }
- if (*separator != ',')
- {
+ if (*separator != ',') {
LOG_ERROR("incomplete breakpoint/watchpoint packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
address = strtoul(separator + 1, &separator, 16);
- if (*separator != ',')
- {
+ if (*separator != ',') {
LOG_ERROR("incomplete breakpoint/watchpoint packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
size = strtoul(separator + 1, &separator, 16);
- switch (type)
- {
+ switch (type) {
case 0:
case 1:
- if (packet[0] == 'Z')
- {
- if ((retval = breakpoint_add(target, address, size, bp_type)) != ERROR_OK)
- {
- if ((retval = gdb_error(connection, retval)) != ERROR_OK)
+ if (packet[0] == 'Z') {
+ retval = breakpoint_add(target, address, size, bp_type);
+ if (retval != ERROR_OK) {
+ retval = gdb_error(connection, retval);
+ if (retval != ERROR_OK)
return retval;
- }
- else
- {
+ } else
gdb_put_packet(connection, "OK", 2);
- }
- }
- else
- {
+ } else {
breakpoint_remove(target, address);
gdb_put_packet(connection, "OK", 2);
}
@@ -1569,20 +1445,15 @@ static int gdb_breakpoint_watchpoint_packet(struct connection *connection,
case 3:
case 4:
{
- if (packet[0] == 'Z')
- {
- if ((retval = watchpoint_add(target, address, size, wp_type, 0, 0xffffffffu)) != ERROR_OK)
- {
- if ((retval = gdb_error(connection, retval)) != ERROR_OK)
+ if (packet[0] == 'Z') {
+ retval = watchpoint_add(target, address, size, wp_type, 0, 0xffffffffu);
+ if (retval != ERROR_OK) {
+ retval = gdb_error(connection, retval);
+ if (retval != ERROR_OK)
return retval;
- }
- else
- {
+ } else
gdb_put_packet(connection, "OK", 2);
- }
- }
- else
- {
+ } else {
watchpoint_remove(target, address);
gdb_put_packet(connection, "OK", 2);
}
@@ -1602,23 +1473,18 @@ static void xml_printf(int *retval, char **xml, int *pos, int *size,
const char *fmt, ...)
{
if (*retval != ERROR_OK)
- {
return;
- }
int first = 1;
- for (;;)
- {
- if ((*xml == NULL) || (!first))
- {
+ for (;; ) {
+ if ((*xml == NULL) || (!first)) {
/* start by 0 to exercise all the code paths.
* Need minimum 2 bytes to fit 1 char and 0 terminator. */
*size = *size * 2 + 2;
char *t = *xml;
*xml = realloc(*xml, *size);
- if (*xml == NULL)
- {
+ if (*xml == NULL) {
if (t)
free(t);
*retval = ERROR_SERVER_REMOTE_CLOSED;
@@ -1631,8 +1497,7 @@ static void xml_printf(int *retval, char **xml, int *pos, int *size,
va_start(ap, fmt);
ret = vsnprintf(*xml + *pos, *size - *pos, fmt, ap);
va_end(ap);
- if ((ret > 0) && ((ret + 1) < *size - *pos))
- {
+ if ((ret > 0) && ((ret + 1) < *size - *pos)) {
*pos += ret;
return;
}
@@ -1666,22 +1531,18 @@ static int decode_xfer_read(char *buf, char **annex, int *ofs, unsigned int *len
return 0;
}
-static int compare_bank (const void * a, const void * b)
+static int compare_bank(const void *a, const void *b)
{
struct flash_bank *b1, *b2;
- b1=*((struct flash_bank **)a);
- b2=*((struct flash_bank **)b);
+ b1 = *((struct flash_bank **)a);
+ b2 = *((struct flash_bank **)b);
if (b1->base == b2->base)
- {
return 0;
- } else if (b1->base > b2->base)
- {
+ else if (b1->base > b2->base)
return 1;
- } else
- {
+ else
return -1;
- }
}
static int gdb_memory_map(struct connection *connection,
@@ -1727,18 +1588,17 @@ static int gdb_memory_map(struct connection *connection,
for (i = 0; i < flash_get_bank_count(); i++) {
retval = get_flash_bank_by_num(i, &p);
- if (retval != ERROR_OK)
- {
+ if (retval != ERROR_OK) {
free(banks);
gdb_error(connection, retval);
return retval;
}
- if(p->target == target)
+ if (p->target == target)
banks[target_flash_banks++] = p;
}
qsort(banks, target_flash_banks, sizeof(struct flash_bank *),
- compare_bank);
+ compare_bank);
for (i = 0; i < target_flash_banks; i++) {
int j;
@@ -1751,7 +1611,7 @@ static int gdb_memory_map(struct connection *connection,
if (ram_start < p->base)
xml_printf(&retval, &xml, &pos, &size,
"<memory type=\"ram\" start=\"0x%x\" "
- "length=\"0x%x\"/>\n",
+ "length=\"0x%x\"/>\n",
ram_start, p->base - ram_start);
/* Report adjacent groups of same-size sectors. So for
@@ -1768,7 +1628,7 @@ static int gdb_memory_map(struct connection *connection,
start = p->base + p->sectors[j].offset;
xml_printf(&retval, &xml, &pos, &size,
"<memory type=\"flash\" "
- "start=\"0x%x\" ",
+ "start=\"0x%x\" ",
start);
sector_size = p->sectors[j].size;
}
@@ -1776,18 +1636,18 @@ static int gdb_memory_map(struct connection *connection,
/* Does this finish a group of sectors?
* If not, continue an already-started group.
*/
- if (j == p->num_sectors -1)
+ if (j == p->num_sectors - 1)
group_len = (p->base + p->size) - start;
else if (p->sectors[j + 1].size != sector_size)
group_len = p->base + p->sectors[j + 1].offset
- - start;
+ - start;
else
continue;
xml_printf(&retval, &xml, &pos, &size,
"length=\"0x%x\">\n"
"<property name=\"blocksize\">"
- "0x%x</property>\n"
+ "0x%x</property>\n"
"</memory>\n",
group_len,
sector_size);
@@ -1800,7 +1660,7 @@ static int gdb_memory_map(struct connection *connection,
if (ram_start != 0)
xml_printf(&retval, &xml, &pos, &size,
"<memory type=\"ram\" start=\"0x%x\" "
- "length=\"0x%x\"/>\n",
+ "length=\"0x%x\"/>\n",
ram_start, 0-ram_start);
/* ELSE a flash chip could be at the very end of the 32 bit address
* space, in which case ram_start will be precisely 0
@@ -1836,17 +1696,14 @@ static int gdb_query_packet(struct connection *connection,
struct gdb_connection *gdb_connection = connection->priv;
struct target *target = get_target_from_connection(connection);
- if (strstr(packet, "qRcmd,"))
- {
- if (packet_size > 6)
- {
+ if (strstr(packet, "qRcmd,")) {
+ if (packet_size > 6) {
char *cmd;
int i;
cmd = malloc((packet_size - 6)/2 + 1);
- for (i = 0; i < (packet_size - 6)/2; i++)
- {
+ for (i = 0; i < (packet_size - 6)/2; i++) {
uint32_t tmp;
- sscanf(packet + 6 + 2*i, "%2" SCNx32 , &tmp);
+ sscanf(packet + 6 + 2*i, "%2" SCNx32, &tmp);
cmd[i] = tmp;
}
cmd[(packet_size - 6)/2] = 0x0;
@@ -1865,11 +1722,8 @@ static int gdb_query_packet(struct connection *connection,
}
gdb_put_packet(connection, "OK", 2);
return ERROR_OK;
- }
- else if (strstr(packet, "qCRC:"))
- {
- if (packet_size > 5)
- {
+ } else if (strstr(packet, "qCRC:")) {
+ if (packet_size > 5) {
int retval;
char gdb_reply[10];
char *separator;
@@ -1882,9 +1736,9 @@ static int gdb_query_packet(struct connection *connection,
addr = strtoul(packet, &separator, 16);
- if (*separator != ',')
- {
- LOG_ERROR("incomplete read memory packet received, dropping connection");
+ if (*separator != ',') {
+ LOG_ERROR(
+ "incomplete read memory packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -1892,22 +1746,18 @@ static int gdb_query_packet(struct connection *connection,
retval = target_checksum_memory(target, addr, len, &checksum);
- if (retval == ERROR_OK)
- {
+ if (retval == ERROR_OK) {
snprintf(gdb_reply, 10, "C%8.8" PRIx32 "", checksum);
gdb_put_packet(connection, gdb_reply, 9);
- }
- else
- {
- if ((retval = gdb_error(connection, retval)) != ERROR_OK)
+ } else {
+ retval = gdb_error(connection, retval);
+ if (retval != ERROR_OK)
return retval;
}
return ERROR_OK;
}
- }
- else if (strstr(packet, "qSupported"))
- {
+ } else if (strstr(packet, "qSupported")) {
/* we currently support packet size and qXfer:memory-map:read (if enabled)
* disable qXfer:features:read for the moment */
int retval = ERROR_OK;
@@ -1915,12 +1765,15 @@ static int gdb_query_packet(struct connection *connection,
int pos = 0;
int size = 0;
- xml_printf(&retval, &buffer, &pos, &size,
- "PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read-;QStartNoAckMode+",
- (GDB_BUFFER_SIZE - 1), ((gdb_use_memory_map == 1) && (flash_get_bank_count() > 0)) ? '+' : '-');
+ xml_printf(&retval,
+ &buffer,
+ &pos,
+ &size,
+ "PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read-;QStartNoAckMode+",
+ (GDB_BUFFER_SIZE - 1),
+ ((gdb_use_memory_map == 1) && (flash_get_bank_count() > 0)) ? '+' : '-');
- if (retval != ERROR_OK)
- {
+ if (retval != ERROR_OK) {
gdb_send_error(connection, 01);
return ERROR_OK;
}
@@ -1929,12 +1782,10 @@ static int gdb_query_packet(struct connection *connection,
free(buffer);
return ERROR_OK;
- }
- else if (strstr(packet, "qXfer:memory-map:read::")
- && (flash_get_bank_count() > 0))
+ } else if (strstr(packet, "qXfer:memory-map:read::")
+ && (flash_get_bank_count() > 0))
return gdb_memory_map(connection, packet, packet_size);
- else if (strstr(packet, "qXfer:features:read:"))
- {
+ else if (strstr(packet, "qXfer:features:read:")) {
char *xml = NULL;
int size = 0;
int pos = 0;
@@ -1947,23 +1798,23 @@ static int gdb_query_packet(struct connection *connection,
/* skip command character */
packet += 20;
- if (decode_xfer_read(packet, &annex, &offset, &length) < 0)
- {
+ if (decode_xfer_read(packet, &annex, &offset, &length) < 0) {
gdb_send_error(connection, 01);
return ERROR_OK;
}
- if (strcmp(annex, "target.xml") != 0)
- {
+ if (strcmp(annex, "target.xml") != 0) {
gdb_send_error(connection, 01);
return ERROR_OK;
}
- xml_printf(&retval, &xml, &pos, &size, \
+ xml_printf(&retval,
+ &xml,
+ &pos,
+ &size, \
"l < target version=\"1.0\">\n < architecture > arm</architecture>\n</target>\n");
- if (retval != ERROR_OK)
- {
+ if (retval != ERROR_OK) {
gdb_error(connection, retval);
return retval;
}
@@ -1972,9 +1823,7 @@ static int gdb_query_packet(struct connection *connection,
free(xml);
return ERROR_OK;
- }
- else if (strstr(packet, "QStartNoAckMode"))
- {
+ } else if (strstr(packet, "QStartNoAckMode")) {
gdb_connection->noack_mode = 1;
gdb_put_packet(connection, "OK", 2);
return ERROR_OK;
@@ -1993,36 +1842,31 @@ static int gdb_v_packet(struct connection *connection,
/* if flash programming disabled - send a empty reply */
- if (gdb_flash_program == 0)
- {
+ if (gdb_flash_program == 0) {
gdb_put_packet(connection, "", 0);
return ERROR_OK;
}
- if (strstr(packet, "vFlashErase:"))
- {
+ if (strstr(packet, "vFlashErase:")) {
unsigned long addr;
unsigned long length;
char *parse = packet + 12;
- if (*parse == '\0')
- {
+ if (*parse == '\0') {
LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
addr = strtoul(parse, &parse, 16);
- if (*(parse++) != ',' || *parse == '\0')
- {
+ if (*(parse++) != ',' || *parse == '\0') {
LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
length = strtoul(parse, &parse, 16);
- if (*parse != '\0')
- {
+ if (*parse != '\0') {
LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -2033,7 +1877,7 @@ static int gdb_v_packet(struct connection *connection,
/* perform any target specific operations before the erase */
target_call_event_callbacks(gdb_service->target,
- TARGET_EVENT_GDB_FLASH_ERASE_START);
+ TARGET_EVENT_GDB_FLASH_ERASE_START);
/* vFlashErase:addr,length messages require region start and
* end to be "block" aligned ... if padding is ever needed,
@@ -2044,79 +1888,71 @@ static int gdb_v_packet(struct connection *connection,
/* perform any target specific operations after the erase */
target_call_event_callbacks(gdb_service->target,
- TARGET_EVENT_GDB_FLASH_ERASE_END);
+ TARGET_EVENT_GDB_FLASH_ERASE_END);
/* perform erase */
- if (result != ERROR_OK)
- {
+ if (result != ERROR_OK) {
/* GDB doesn't evaluate the actual error number returned,
* treat a failed erase as an I/O error
*/
gdb_send_error(connection, EIO);
LOG_ERROR("flash_erase returned %i", result);
- }
- else
+ } else
gdb_put_packet(connection, "OK", 2);
return ERROR_OK;
}
- if (strstr(packet, "vFlashWrite:"))
- {
+ if (strstr(packet, "vFlashWrite:")) {
int retval;
unsigned long addr;
unsigned long length;
char *parse = packet + 12;
- if (*parse == '\0')
- {
+ if (*parse == '\0') {
LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
addr = strtoul(parse, &parse, 16);
- if (*(parse++) != ':')
- {
+ if (*(parse++) != ':') {
LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
}
length = packet_size - (parse - packet);
/* create a new image if there isn't already one */
- if (gdb_connection->vflash_image == NULL)
- {
+ if (gdb_connection->vflash_image == NULL) {
gdb_connection->vflash_image = malloc(sizeof(struct image));
image_open(gdb_connection->vflash_image, "", "build");
}
/* create new section with content from packet buffer */
- if ((retval = image_add_section(gdb_connection->vflash_image, addr, length, 0x0, (uint8_t*)parse)) != ERROR_OK)
- {
+ retval = image_add_section(gdb_connection->vflash_image,
+ addr, length, 0x0, (uint8_t *)parse);
+ if (retval != ERROR_OK)
return retval;
- }
gdb_put_packet(connection, "OK", 2);
return ERROR_OK;
}
- if (!strcmp(packet, "vFlashDone"))
- {
+ if (!strcmp(packet, "vFlashDone")) {
uint32_t written;
/* process the flashing buffer. No need to erase as GDB
* always issues a vFlashErase first. */
- target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_FLASH_WRITE_START);
- result = flash_write(gdb_service->target, gdb_connection->vflash_image, &written, 0);
+ target_call_event_callbacks(gdb_service->target,
+ TARGET_EVENT_GDB_FLASH_WRITE_START);
+ result =
+ flash_write(gdb_service->target, gdb_connection->vflash_image, &written, 0);
target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_FLASH_WRITE_END);
- if (result != ERROR_OK)
- {
+ if (result != ERROR_OK) {
if (result == ERROR_FLASH_DST_OUT_OF_BANK)
gdb_put_packet(connection, "E.memtype", 9);
else
gdb_send_error(connection, EIO);
- }
- else
- {
+ } else {
LOG_DEBUG("wrote %u bytes from vFlash image to flash", (unsigned)written);
gdb_put_packet(connection, "OK", 2);
}
@@ -2137,7 +1973,7 @@ static int gdb_detach(struct connection *connection)
struct gdb_service *gdb_service = connection->service->priv;
target_call_event_callbacks(gdb_service->target,
- TARGET_EVENT_GDB_DETACH);
+ TARGET_EVENT_GDB_DETACH);
return gdb_put_packet(connection, "OK", 2);
}
@@ -2148,8 +1984,7 @@ static void gdb_log_callback(void *priv, const char *file, unsigned line,
struct connection *connection = priv;
struct gdb_connection *gdb_con = connection->priv;
- if (gdb_con->busy)
- {
+ if (gdb_con->busy) {
/* do not reply this using the O packet */
return;
}
@@ -2176,7 +2011,7 @@ static int gdb_input_inner(struct connection *connection)
int packet_size;
int retval;
struct gdb_connection *gdb_con = connection->priv;
- static int extended_protocol = 0;
+ static int extended_protocol;
/* drain input buffer. If one of the packets fail, then an error
* packet is replied, if applicable.
@@ -2189,8 +2024,7 @@ static int gdb_input_inner(struct connection *connection)
* If the error is recoverable, this fn is called again to
* drain the rest of the buffer.
*/
- do
- {
+ do {
packet_size = GDB_BUFFER_SIZE-1;
retval = gdb_get_packet(connection, packet, &packet_size);
if (retval != ERROR_OK)
@@ -2201,37 +2035,32 @@ static int gdb_input_inner(struct connection *connection)
if (LOG_LEVEL_IS(LOG_LVL_DEBUG)) {
if (packet[0] == 'X') {
- // binary packets spew junk into the debug log stream
- char buf[ 50 ];
+ /* binary packets spew junk into the debug log stream */
+ char buf[50];
int x;
- for (x = 0 ; (x < 49) && (packet[x] != ':') ; x++) {
+ for (x = 0; (x < 49) && (packet[x] != ':'); x++)
buf[x] = packet[x];
- }
buf[x] = 0;
LOG_DEBUG("received packet: '%s:<binary-data>'", buf);
- } else {
+ } else
LOG_DEBUG("received packet: '%s'", packet);
- }
}
- if (packet_size > 0)
- {
+ if (packet_size > 0) {
retval = ERROR_OK;
- switch (packet[0])
- {
- case 'T': // Is thread alive?
- gdb_thread_packet(connection, packet, packet_size);
- break;
- case 'H': // Set current thread ( 'c' for step and continue, 'g' for all other operations )
- gdb_thread_packet(connection, packet, packet_size);
- break;
+ switch (packet[0]) {
+ case 'T': /* Is thread alive? */
+ gdb_thread_packet(connection, packet, packet_size);
+ break;
+ case 'H': /* Set current thread ( 'c' for step and continue, 'g' for
+ * all other operations ) */
+ gdb_thread_packet(connection, packet, packet_size);
+ break;
case 'q':
case 'Q':
retval = gdb_thread_packet(connection, packet, packet_size);
- if ( retval == GDB_THREAD_PACKET_NOT_CONSUMED )
- {
+ if (retval == GDB_THREAD_PACKET_NOT_CONSUMED)
retval = gdb_query_packet(connection, packet, packet_size);
- }
break;
case 'g':
retval = gdb_get_registers_packet(connection, packet, packet_size);
@@ -2260,76 +2089,73 @@ static int gdb_input_inner(struct connection *connection)
break;
case 'c':
case 's':
- {
- gdb_thread_packet(connection, packet, packet_size);
- log_add_callback(gdb_log_callback, connection);
+ {
+ gdb_thread_packet(connection, packet, packet_size);
+ log_add_callback(gdb_log_callback, connection);
- if (gdb_con->mem_write_error)
- {
- LOG_ERROR("Memory write failure!");
+ if (gdb_con->mem_write_error) {
+ LOG_ERROR("Memory write failure!");
- /* now that we have reported the memory write error, we can clear the condition */
- gdb_con->mem_write_error = false;
- }
+ /* now that we have reported the memory write error,
+ *we can clear the condition */
+ gdb_con->mem_write_error = false;
+ }
- bool nostep = false;
- bool already_running = false;
- if (target->state == TARGET_RUNNING)
- {
- LOG_WARNING("WARNING! The target is already running. "
- "All changes GDB did to registers will be discarded! "
- "Waiting for target to halt.");
- already_running = true;
- } else if (target->state != TARGET_HALTED)
- {
- LOG_WARNING("The target is not in the halted nor running stated, stepi/continue ignored.");
- nostep = true;
- } else if ((packet[0] == 's') && gdb_con->sync)
- {
- /* Hmm..... when you issue a continue in GDB, then a "stepi" is
- * sent by GDB first to OpenOCD, thus defeating the check to
- * make only the single stepping have the sync feature...
- */
- nostep = true;
- LOG_WARNING("stepi ignored. GDB will now fetch the register state from the target.");
- }
- gdb_con->sync = false;
-
- if (!already_running && nostep)
- {
- /* Either the target isn't in the halted state, then we can't
- * step/continue. This might be early setup, etc.
- *
- * Or we want to allow GDB to pick up a fresh set of
- * register values without modifying the target state.
- *
- */
- gdb_sig_halted(connection);
-
- /* stop forwarding log packets! */
- log_remove_callback(gdb_log_callback, connection);
- } else
- {
- /* We're running/stepping, in which case we can
- * forward log output until the target is halted
- */
- gdb_con->frontend_state = TARGET_RUNNING;
- target_call_event_callbacks(target, TARGET_EVENT_GDB_START);
-
- if (!already_running)
- {
- /* Here we don't want packet processing to stop even if this fails,
- * so we use a local variable instead of retval. */
- retval = gdb_step_continue_packet(connection, packet, packet_size);
- if (retval != ERROR_OK)
- {
- /* we'll never receive a halted condition... issue a false one.. */
- gdb_frontend_halted(target, connection);
- }
+ bool nostep = false;
+ bool already_running = false;
+ if (target->state == TARGET_RUNNING) {
+ LOG_WARNING("WARNING! The target is already running. "
+ "All changes GDB did to registers will be discarded! "
+ "Waiting for target to halt.");
+ already_running = true;
+ } else if (target->state != TARGET_HALTED) {
+ LOG_WARNING("The target is not in the halted nor running stated, " \
+ "stepi/continue ignored.");
+ nostep = true;
+ } else if ((packet[0] == 's') && gdb_con->sync) {
+ /* Hmm..... when you issue a continue in GDB, then a "stepi" is
+ * sent by GDB first to OpenOCD, thus defeating the check to
+ * make only the single stepping have the sync feature...
+ */
+ nostep = true;
+ LOG_WARNING("stepi ignored. GDB will now fetch the register state " \
+ "from the target.");
+ }
+ gdb_con->sync = false;
+
+ if (!already_running && nostep) {
+ /* Either the target isn't in the halted state, then we can't
+ * step/continue. This might be early setup, etc.
+ *
+ * Or we want to allow GDB to pick up a fresh set of
+ * register values without modifying the target state.
+ *
+ */
+ gdb_sig_halted(connection);
+
+ /* stop forwarding log packets! */
+ log_remove_callback(gdb_log_callback, connection);
+ } else {
+ /* We're running/stepping, in which case we can
+ * forward log output until the target is halted
+ */
+ gdb_con->frontend_state = TARGET_RUNNING;
+ target_call_event_callbacks(target, TARGET_EVENT_GDB_START);
+
+ if (!already_running) {
+ /* Here we don't want packet processing to stop even if this fails,
+ * so we use a local variable instead of retval. */
+ retval = gdb_step_continue_packet(connection, packet, packet_size);
+ if (retval != ERROR_OK) {
+ /* we'll never receive a halted
+ *condition... issue a false one..
+ **/
+ gdb_frontend_halted(target, connection);
}
}
}
- break;
+ }
+ break;
case 'v':
retval = gdb_v_packet(connection, packet, packet_size);
break;
@@ -2357,15 +2183,15 @@ static int gdb_input_inner(struct connection *connection)
breakpoint_clear_target(gdb_service->target);
watchpoint_clear_target(gdb_service->target);
command_run_linef(connection->cmd_ctx,
- "ocd_gdb_restart %s",
- target_name(target));
+ "ocd_gdb_restart %s",
+ target_name(target));
/* info rtos parts */
gdb_thread_packet(connection, packet, packet_size);
gdb_put_packet(connection, "OK", 2);
break;
case 'j':
- /* packet supported only by smp target i.e cortex_a.c*/
+ /* packet supported only by smp target i.e cortex_a.c*/
/* handle smp packet replying coreid played to gbd */
gdb_read_smp_packet(connection, packet, packet_size);
break;
@@ -2389,19 +2215,15 @@ static int gdb_input_inner(struct connection *connection)
return retval;
}
- if (gdb_con->ctrl_c)
- {
- if (target->state == TARGET_RUNNING)
- {
+ if (gdb_con->ctrl_c) {
+ if (target->state == TARGET_RUNNING) {
retval = target_halt(target);
if (retval != ERROR_OK)
- {
target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
- }
gdb_con->ctrl_c = 0;
- } else
- {
- LOG_INFO("The target is not running when halt was requested, stopping GDB.");
+ } else {
+ LOG_INFO(
+ "The target is not running when halt was requested, stopping GDB.");
target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
}
}
@@ -2428,7 +2250,6 @@ static int gdb_input(struct connection *connection)
static int gdb_target_start(struct target *target, const char *port)
{
-
struct gdb_service *gdb_service;
int ret;
gdb_service = malloc(sizeof(struct gdb_service));
@@ -2449,10 +2270,10 @@ static int gdb_target_start(struct target *target, const char *port)
struct target_list *head;
struct target *curr;
head = target->head;
- while(head != (struct target_list*)NULL)
- {
+ while (head != (struct target_list *)NULL) {
curr = head->target;
- if (curr != target) curr->gdb_service = gdb_service;
+ if (curr != target)
+ curr->gdb_service = gdb_service;
head = head->next;
}
}
@@ -2462,20 +2283,18 @@ static int gdb_target_start(struct target *target, const char *port)
static int gdb_target_add_one(struct target *target)
{
/* one gdb instance per smp list */
- if ((target->smp) && (target->gdb_service)) return ERROR_OK;
+ if ((target->smp) && (target->gdb_service))
+ return ERROR_OK;
int retval = gdb_target_start(target, gdb_port_next);
- if (retval == ERROR_OK)
- {
+ if (retval == ERROR_OK) {
long portnumber;
/* If we can parse the port number
* then we increment the port number for the next target.
*/
char *end;
portnumber = strtol(gdb_port_next, &end, 0);
- if (!*end)
- {
- if (parse_long(gdb_port_next, &portnumber) == ERROR_OK)
- {
+ if (!*end) {
+ if (parse_long(gdb_port_next, &portnumber) == ERROR_OK) {
free((void *)gdb_port_next);
gdb_port_next = alloc_printf("%d", portnumber+1);
}
@@ -2486,14 +2305,12 @@ static int gdb_target_add_one(struct target *target)
int gdb_target_add_all(struct target *target)
{
- if (NULL == target)
- {
+ if (NULL == target) {
LOG_WARNING("gdb services need one or more targets defined");
return ERROR_OK;
}
- while (NULL != target)
- {
+ while (NULL != target) {
int retval = gdb_target_add_one(target);
if (ERROR_OK != retval)
return retval;
@@ -2507,14 +2324,11 @@ int gdb_target_add_all(struct target *target)
COMMAND_HANDLER(handle_gdb_sync_command)
{
if (CMD_ARGC != 0)
- {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
- if (current_gdb_connection == NULL)
- {
+ if (current_gdb_connection == NULL) {
command_print(CMD_CTX,
- "gdb_sync command can only be run from within gdb using \"monitor gdb_sync\"");
+ "gdb_sync command can only be run from within gdb using \"monitor gdb_sync\"");
return ERROR_FAIL;
}
@@ -2528,7 +2342,7 @@ COMMAND_HANDLER(handle_gdb_port_command)
{
int retval = CALL_COMMAND_HANDLER(server_pipe_command, &gdb_port);
if (ERROR_OK == retval) {
- free((void*)gdb_port_next);
+ free((void *)gdb_port_next);
gdb_port_next = strdup(gdb_port);
}
return retval;
@@ -2564,33 +2378,23 @@ COMMAND_HANDLER(handle_gdb_report_data_abort_command)
/* gdb_breakpoint_override */
COMMAND_HANDLER(handle_gdb_breakpoint_override_command)
{
- if (CMD_ARGC == 0)
- {
-
- } else if (CMD_ARGC == 1)
- {
+ if (CMD_ARGC == 0) {
+ /* nothing */
+ } else if (CMD_ARGC == 1) {
gdb_breakpoint_override = 1;
if (strcmp(CMD_ARGV[0], "hard") == 0)
- {
gdb_breakpoint_override_type = BKPT_HARD;
- } else if (strcmp(CMD_ARGV[0], "soft") == 0)
- {
+ else if (strcmp(CMD_ARGV[0], "soft") == 0)
gdb_breakpoint_override_type = BKPT_SOFT;
- } else if (strcmp(CMD_ARGV[0], "disable") == 0)
- {
+ else if (strcmp(CMD_ARGV[0], "disable") == 0)
gdb_breakpoint_override = 0;
- }
} else
- {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
if (gdb_breakpoint_override)
- {
- LOG_USER("force %s breakpoints", (gdb_breakpoint_override_type == BKPT_HARD)?"hard":"soft");
- } else
- {
+ LOG_USER("force %s breakpoints",
+ (gdb_breakpoint_override_type == BKPT_HARD) ? "hard" : "soft");
+ else
LOG_USER("breakpoint type is not overridden");
- }
return ERROR_OK;
}
@@ -2610,12 +2414,12 @@ static const struct command_registration gdb_command_handlers[] = {
.handler = handle_gdb_port_command,
.mode = COMMAND_ANY,
.help = "Normally gdb listens to a TCP/IP port. Each subsequent GDB "
- "server listens for the next port number after the "
- "base port number specified. "
- "No arguments reports GDB port. \"pipe\" means listen to stdin "
- "output to stdout, an integer is base port number, \"disable\" disables "
- "port. Any other string is are interpreted as named pipe to listen to. "
- "Output pipe is the same name as input pipe, but with 'o' appended.",
+ "server listens for the next port number after the "
+ "base port number specified. "
+ "No arguments reports GDB port. \"pipe\" means listen to stdin "
+ "output to stdout, an integer is base port number, \"disable\" disables "
+ "port. Any other string is are interpreted as named pipe to listen to. "
+ "Output pipe is the same name as input pipe, but with 'o' appended.",
.usage = "[port_num]",
},
{
diff --git a/src/server/gdb_server.h b/src/server/gdb_server.h
index 2792a20..74b80ad 100644
--- a/src/server/gdb_server.h
+++ b/src/server/gdb_server.h
@@ -26,6 +26,7 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifndef GDB_SERVER_H
#define GDB_SERVER_H
@@ -33,7 +34,7 @@ struct image;
struct reg;
#include <target/target.h>
-#define GDB_BUFFER_SIZE 16384
+#define GDB_BUFFER_SIZE 16384
int gdb_target_add_all(struct target *target);
int gdb_register_commands(struct command_context *command_context);
@@ -49,4 +50,4 @@ static inline struct target *get_target_from_connection(struct connection *conne
#define ERROR_GDB_BUFFER_TOO_SMALL (-800)
#define ERROR_GDB_TIMEOUT (-801)
-#endif /* GDB_SERVER_H */
+#endif /* GDB_SERVER_H */
diff --git a/src/server/server.c b/src/server/server.c
index 7a3c890..16f7510 100644
--- a/src/server/server.c
+++ b/src/server/server.c
@@ -23,6 +23,7 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -40,11 +41,10 @@
#include <netinet/tcp.h>
#endif
-
-static struct service *services = NULL;
+static struct service *services;
/* shutdown_openocd == 1: exit the main event loop, and quit the debugger */
-static int shutdown_openocd = 0;
+static int shutdown_openocd;
static int add_connection(struct service *service, struct command_context *cmd_ctx)
{
@@ -63,34 +63,32 @@ static int add_connection(struct service *service, struct command_context *cmd_c
c->priv = NULL;
c->next = NULL;
- if (service->type == CONNECTION_TCP)
- {
+ if (service->type == CONNECTION_TCP) {
address_size = sizeof(c->sin);
c->fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
c->fd_out = c->fd;
/* This increases performance dramatically for e.g. GDB load which
- * does not have a sliding window protocol.
+ * does not have a sliding window protocol.
*
* Ignore errors from this fn as it probably just means less performance
*/
setsockopt(c->fd, /* socket affected */
- IPPROTO_TCP, /* set option at TCP level */
- TCP_NODELAY, /* name of option */
- (char *)&flag, /* the cast is historical cruft */
- sizeof(int)); /* length of option value */
+ IPPROTO_TCP, /* set option at TCP level */
+ TCP_NODELAY, /* name of option */
+ (char *)&flag, /* the cast is historical cruft */
+ sizeof(int)); /* length of option value */
LOG_INFO("accepting '%s' connection from %s", service->name, service->port);
- if ((retval = service->new_connection(c)) != ERROR_OK)
- {
+ retval = service->new_connection(c);
+ if (retval != ERROR_OK) {
close_socket(c->fd);
LOG_ERROR("attempted '%s' connection rejected", service->name);
free(c);
return retval;
}
- } else if (service->type == CONNECTION_STDINOUT)
- {
+ } else if (service->type == CONNECTION_STDINOUT) {
c->fd = service->fd;
c->fd_out = fileno(stdout);
@@ -103,30 +101,28 @@ static int add_connection(struct service *service, struct command_context *cmd_c
service->fd = -1;
LOG_INFO("accepting '%s' connection from pipe", service->name);
- if ((retval = service->new_connection(c)) != ERROR_OK)
- {
+ retval = service->new_connection(c);
+ if (retval != ERROR_OK) {
LOG_ERROR("attempted '%s' connection rejected", service->name);
free(c);
return retval;
}
- } else if (service->type == CONNECTION_PIPE)
- {
+ } else if (service->type == CONNECTION_PIPE) {
c->fd = service->fd;
/* do not check for new connections again on stdin */
service->fd = -1;
- char * out_file = alloc_printf("%so", service->port);
+ char *out_file = alloc_printf("%so", service->port);
c->fd_out = open(out_file, O_WRONLY);
free(out_file);
- if (c->fd_out == -1)
- {
+ if (c->fd_out == -1) {
LOG_ERROR("could not open %s", service->port);
exit(1);
}
LOG_INFO("accepting '%s' connection from pipe %s", service->name, service->port);
- if ((retval = service->new_connection(c)) != ERROR_OK)
- {
+ retval = service->new_connection(c);
+ if (retval != ERROR_OK) {
LOG_ERROR("attempted '%s' connection rejected", service->name);
free(c);
return retval;
@@ -134,7 +130,8 @@ static int add_connection(struct service *service, struct command_context *cmd_c
}
/* add to the end of linked list */
- for (p = &service->connections; *p; p = &(*p)->next);
+ for (p = &service->connections; *p; p = &(*p)->next)
+ ;
*p = c;
service->max_connections--;
@@ -148,16 +145,12 @@ static int remove_connection(struct service *service, struct connection *connect
struct connection *c;
/* find connection */
- while ((c = *p))
- {
- if (c->fd == connection->fd)
- {
+ while ((c = *p)) {
+ if (c->fd == connection->fd) {
service->connection_closed(c);
if (service->type == CONNECTION_TCP)
- {
close_socket(c->fd);
- } else if (service->type == CONNECTION_PIPE)
- {
+ else if (service->type == CONNECTION_PIPE) {
/* The service will listen to the pipe again */
c->service->fd = c->fd;
}
@@ -180,7 +173,13 @@ static int remove_connection(struct service *service, struct connection *connect
}
/* FIX! make service return error instead of invoking exit() */
-int add_service(char *name, const char *port, int max_connections, new_connection_handler_t new_connection_handler, input_handler_t input_handler, connection_closed_handler_t connection_closed_handler, void *priv)
+int add_service(char *name,
+ const char *port,
+ int max_connections,
+ new_connection_handler_t new_connection_handler,
+ input_handler_t input_handler,
+ connection_closed_handler_t connection_closed_handler,
+ void *priv)
{
struct service *c, **p;
int so_reuseaddr_option = 1;
@@ -189,7 +188,7 @@ int add_service(char *name, const char *port, int max_connections, new_connectio
c->name = strdup(name);
c->port = strdup(port);
- c->max_connections = 1; /* Only TCP/IP ports can support more than one connection */
+ c->max_connections = 1; /* Only TCP/IP ports can support more than one connection */
c->fd = -1;
c->connections = NULL;
c->new_connection = new_connection_handler;
@@ -199,33 +198,31 @@ int add_service(char *name, const char *port, int max_connections, new_connectio
c->next = NULL;
long portnumber;
if (strcmp(c->port, "pipe") == 0)
- {
c->type = CONNECTION_STDINOUT;
- } else
- {
+ else {
char *end;
portnumber = strtol(c->port, &end, 0);
- if (!*end && (parse_long(c->port, &portnumber) == ERROR_OK))
- {
+ if (!*end && (parse_long(c->port, &portnumber) == ERROR_OK)) {
c->portnumber = portnumber;
c->type = CONNECTION_TCP;
} else
- {
c->type = CONNECTION_PIPE;
- }
}
- if (c->type == CONNECTION_TCP)
- {
+ if (c->type == CONNECTION_TCP) {
c->max_connections = max_connections;
- if ((c->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
- {
+ c->fd = socket(AF_INET, SOCK_STREAM, 0);
+ if (c->fd == -1) {
LOG_ERROR("error creating socket: %s", strerror(errno));
exit(-1);
}
- setsockopt(c->fd, SOL_SOCKET, SO_REUSEADDR, (void*)&so_reuseaddr_option, sizeof(int));
+ setsockopt(c->fd,
+ SOL_SOCKET,
+ SO_REUSEADDR,
+ (void *)&so_reuseaddr_option,
+ sizeof(int));
socket_nonblock(c->fd);
@@ -234,8 +231,7 @@ int add_service(char *name, const char *port, int max_connections, new_connectio
c->sin.sin_addr.s_addr = INADDR_ANY;
c->sin.sin_port = htons(c->portnumber);
- if (bind(c->fd, (struct sockaddr *)&c->sin, sizeof(c->sin)) == -1)
- {
+ if (bind(c->fd, (struct sockaddr *)&c->sin, sizeof(c->sin)) == -1) {
LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
exit(-1);
}
@@ -253,14 +249,11 @@ int add_service(char *name, const char *port, int max_connections, new_connectio
setsockopt(c->fd, SOL_SOCKET, SO_RCVBUF,
(char *)&window_size, sizeof(window_size));
- if (listen(c->fd, 1) == -1)
- {
+ if (listen(c->fd, 1) == -1) {
LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
exit(-1);
}
- }
- else if (c->type == CONNECTION_STDINOUT)
- {
+ } else if (c->type == CONNECTION_STDINOUT) {
c->fd = fileno(stdin);
#ifdef _WIN32
@@ -274,9 +267,7 @@ int add_service(char *name, const char *port, int max_connections, new_connectio
#else
socket_nonblock(c->fd);
#endif
- }
- else if (c->type == CONNECTION_PIPE)
- {
+ } else if (c->type == CONNECTION_PIPE) {
#ifdef _WIN32
/* we currenty do not support named pipes under win32
* so exit openocd for now */
@@ -285,8 +276,7 @@ int add_service(char *name, const char *port, int max_connections, new_connectio
#else
/* Pipe we're reading from */
c->fd = open(c->port, O_RDONLY | O_NONBLOCK);
- if (c->fd == -1)
- {
+ if (c->fd == -1) {
LOG_ERROR("could not open %s", c->port);
exit(1);
}
@@ -294,7 +284,8 @@ int add_service(char *name, const char *port, int max_connections, new_connectio
}
/* add to the end of linked list */
- for (p = &services; *p; p = &(*p)->next);
+ for (p = &services; *p; p = &(*p)->next)
+ ;
*p = c;
return ERROR_OK;
@@ -305,15 +296,13 @@ static int remove_services(void)
struct service *c = services;
/* loop service */
- while (c)
- {
+ while (c) {
struct service *next = c->next;
if (c->name)
free((void *)c->name);
- if (c->type == CONNECTION_PIPE)
- {
+ if (c->type == CONNECTION_PIPE) {
if (c->fd != -1)
close(c->fd);
}
@@ -353,17 +342,14 @@ int server_loop(struct command_context *command_context)
LOG_ERROR("couldn't set SIGPIPE to SIG_IGN");
#endif
- while (!shutdown_openocd)
- {
+ while (!shutdown_openocd) {
/* monitor sockets for activity */
fd_max = 0;
FD_ZERO(&read_fds);
/* add service and connection fds to read_fds */
- for (service = services; service; service = service->next)
- {
- if (service->fd != -1)
- {
+ for (service = services; service; service = service->next) {
+ if (service->fd != -1) {
/* listen for new connections */
FD_SET(service->fd, &read_fds);
@@ -371,12 +357,10 @@ int server_loop(struct command_context *command_context)
fd_max = service->fd;
}
- if (service->connections)
- {
+ if (service->connections) {
struct connection *c;
- for (c = service->connections; c; c = c->next)
- {
+ for (c = service->connections; c; c = c->next) {
/* check for activity on the connection */
FD_SET(c->fd, &read_fds);
if (c->fd > fd_max)
@@ -387,14 +371,12 @@ int server_loop(struct command_context *command_context)
struct timeval tv;
tv.tv_sec = 0;
- if (poll_ok)
- {
+ if (poll_ok) {
/* we're just polling this iteration, this is faster on embedded
* hosts */
tv.tv_usec = 0;
retval = socket_select(fd_max + 1, &read_fds, NULL, NULL, &tv);
- } else
- {
+ } else {
/* Every 100ms */
tv.tv_usec = 100000;
/* Only while we're sleeping we'll let others run */
@@ -404,45 +386,40 @@ int server_loop(struct command_context *command_context)
openocd_sleep_postlude();
}
- if (retval == -1)
- {
+ if (retval == -1) {
#ifdef _WIN32
errno = WSAGetLastError();
if (errno == WSAEINTR)
FD_ZERO(&read_fds);
- else
- {
+ else {
LOG_ERROR("error during select: %s", strerror(errno));
exit(-1);
}
#else
if (errno == EINTR)
- {
FD_ZERO(&read_fds);
- }
- else
- {
+ else {
LOG_ERROR("error during select: %s", strerror(errno));
exit(-1);
}
#endif
}
- if (retval == 0)
- {
- /* We only execute these callbacks when there was nothing to do or we timed out */
+ if (retval == 0) {
+ /* We only execute these callbacks when there was nothing to do or we timed
+ *out */
target_call_timer_callbacks();
process_jim_events(command_context);
- FD_ZERO(&read_fds); /* eCos leaves read_fds unchanged in this case! */
+ FD_ZERO(&read_fds); /* eCos leaves read_fds unchanged in this case! */
- /* We timed out/there was nothing to do, timeout rather than poll next time */
+ /* We timed out/there was nothing to do, timeout rather than poll next time
+ **/
poll_ok = false;
- } else
- {
+ } else {
/* There was something to do, next time we'll just poll */
poll_ok = true;
}
@@ -454,50 +431,45 @@ int server_loop(struct command_context *command_context)
*/
poll_ok = poll_ok || target_got_message();
- for (service = services; service; service = service->next)
- {
+ for (service = services; service; service = service->next) {
/* handle new connections on listeners */
if ((service->fd != -1)
- && (FD_ISSET(service->fd, &read_fds)))
- {
+ && (FD_ISSET(service->fd, &read_fds))) {
if (service->max_connections > 0)
- {
add_connection(service, command_context);
- }
- else
- {
- if (service->type == CONNECTION_TCP)
- {
+ else {
+ if (service->type == CONNECTION_TCP) {
struct sockaddr_in sin;
socklen_t address_size = sizeof(sin);
int tmp_fd;
- tmp_fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
+ tmp_fd = accept(service->fd,
+ (struct sockaddr *)&service->sin,
+ &address_size);
close_socket(tmp_fd);
}
- LOG_INFO("rejected '%s' connection, no more connections allowed", service->name);
+ LOG_INFO(
+ "rejected '%s' connection, no more connections allowed",
+ service->name);
}
}
/* handle activity on connections */
- if (service->connections)
- {
+ if (service->connections) {
struct connection *c;
- for (c = service->connections; c;)
- {
- if ((FD_ISSET(c->fd, &read_fds)) || c->input_pending)
- {
+ for (c = service->connections; c; ) {
+ if ((FD_ISSET(c->fd, &read_fds)) || c->input_pending) {
retval = service->input(c);
- if (retval != ERROR_OK)
- {
+ if (retval != ERROR_OK) {
struct connection *next = c->next;
- if (service->type == CONNECTION_PIPE)
- {
- /* if connection uses a pipe then shutdown openocd on error */
+ if (service->type == CONNECTION_PIPE) {
+ /* if connection uses a pipe then
+ *shutdown openocd on error */
shutdown_openocd = 1;
}
remove_connection(service, c);
- LOG_INFO("dropped '%s' connection", service->name);
+ LOG_INFO("dropped '%s' connection",
+ service->name);
c = next;
continue;
}
@@ -509,8 +481,7 @@ int server_loop(struct command_context *command_context)
#ifdef _WIN32
MSG msg;
- while (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
- {
+ while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
if (msg.message == WM_QUIT)
shutdown_openocd = 1;
}
@@ -527,7 +498,8 @@ BOOL WINAPI ControlHandler(DWORD dwCtrlType)
return TRUE;
}
-void sig_handler(int sig) {
+void sig_handler(int sig)
+{
shutdown_openocd = 1;
}
#endif
@@ -544,8 +516,7 @@ int server_preinit(void)
wVersionRequested = MAKEWORD(2, 2);
- if (WSAStartup(wVersionRequested, &wsaData) != 0)
- {
+ if (WSAStartup(wVersionRequested, &wsaData) != 0) {
LOG_ERROR("Failed to Open Winsock");
exit(-1);
}
@@ -585,29 +556,22 @@ int server_quit(void)
int connection_write(struct connection *connection, const void *data, int len)
{
- if (len == 0)
- {
+ if (len == 0) {
/* successful no-op. Sockets and pipes behave differently here... */
return 0;
}
if (connection->service->type == CONNECTION_TCP)
- {
return write_socket(connection->fd_out, data, len);
- } else
- {
+ else
return write(connection->fd_out, data, len);
- }
}
int connection_read(struct connection *connection, void *data, int len)
{
if (connection->service->type == CONNECTION_TCP)
- {
return read_socket(connection->fd, data, len);
- } else
- {
+ else
return read(connection->fd, data, len);
- }
}
/* tell the server we want to shut down */
@@ -647,18 +611,18 @@ int server_register_commands(struct command_context *cmd_ctx)
SERVER_PORT_COMMAND()
{
switch (CMD_ARGC) {
- case 0:
- command_print(CMD_CTX, "%d", *out);
- break;
- case 1:
- {
- uint16_t port;
- COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], port);
- *out = port;
- break;
- }
- default:
- return ERROR_COMMAND_SYNTAX_ERROR;
+ case 0:
+ command_print(CMD_CTX, "%d", *out);
+ break;
+ case 1:
+ {
+ uint16_t port;
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], port);
+ *out = port;
+ break;
+ }
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
return ERROR_OK;
}
@@ -666,19 +630,18 @@ SERVER_PORT_COMMAND()
SERVER_PIPE_COMMAND()
{
switch (CMD_ARGC) {
- case 0:
- command_print(CMD_CTX, "%s", *out);
- break;
- case 1:
- {
- const char * t = strdup(CMD_ARGV[0]);
- free((void *)*out);
- *out = t;
- break;
- }
- default:
- return ERROR_COMMAND_SYNTAX_ERROR;
+ case 0:
+ command_print(CMD_CTX, "%s", *out);
+ break;
+ case 1:
+ {
+ const char *t = strdup(CMD_ARGV[0]);
+ free((void *)*out);
+ *out = t;
+ break;
+ }
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
return ERROR_OK;
}
-
diff --git a/src/server/server.h b/src/server/server.h
index 34cf1cf..b6ff5ed 100644
--- a/src/server/server.h
+++ b/src/server/server.h
@@ -23,6 +23,7 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifndef SERVER_H
#define SERVER_H
@@ -32,17 +33,15 @@
#include <netinet/in.h>
#endif
-enum connection_type
-{
+enum connection_type {
CONNECTION_TCP,
CONNECTION_PIPE,
CONNECTION_STDINOUT
};
-struct connection
-{
+struct connection {
int fd;
- int fd_out; /* When using pipes we're writing to a different fd */
+ int fd_out; /* When using pipes we're writing to a different fd */
struct sockaddr_in sin;
struct command_context *cmd_ctx;
struct service *service;
@@ -55,8 +54,7 @@ typedef int (*new_connection_handler_t)(struct connection *connection);
typedef int (*input_handler_t)(struct connection *connection);
typedef int (*connection_closed_handler_t)(struct connection *connection);
-struct service
-{
+struct service {
const char *name;
enum connection_type type;
const char *port;
@@ -104,15 +102,15 @@ void openocd_sleep_postlude(void);
* to receive the specified port number.
*/
#define SERVER_PIPE_COMMAND() \
- COMMAND_HELPER(server_pipe_command, const char **out)
+ COMMAND_HELPER(server_pipe_command, const char **out)
SERVER_PIPE_COMMAND();
#define SERVER_PORT_COMMAND() \
- COMMAND_HELPER(server_port_command, unsigned short *out)
+ COMMAND_HELPER(server_port_command, unsigned short *out)
SERVER_PORT_COMMAND();
-#define ERROR_SERVER_REMOTE_CLOSED (-400)
-#define ERROR_CONNECTION_REJECTED (-401)
+#define ERROR_SERVER_REMOTE_CLOSED (-400)
+#define ERROR_CONNECTION_REJECTED (-401)
-#endif /* SERVER_H */
+#endif /* SERVER_H */
diff --git a/src/server/server_stubs.c b/src/server/server_stubs.c
index dcddec0..3124e22 100644
--- a/src/server/server_stubs.c
+++ b/src/server/server_stubs.c
@@ -24,9 +24,9 @@
void openocd_sleep_prelude(void)
{
- // no-op
+ /* no-op */
}
void openocd_sleep_postlude(void)
{
- // no-op
+ /* no-op */
}
diff --git a/src/server/tcl_server.c b/src/server/tcl_server.c
index 1671086..30d55cb 100644
--- a/src/server/tcl_server.c
+++ b/src/server/tcl_server.c
@@ -24,15 +24,14 @@
#include "tcl_server.h"
-
-#define TCL_SERVER_VERSION "TCL Server 0.1"
-#define TCL_MAX_LINE (4096)
+#define TCL_SERVER_VERSION "TCL Server 0.1"
+#define TCL_MAX_LINE (4096)
struct tcl_connection {
int tc_linedrop;
int tc_lineoffset;
char tc_line[TCL_MAX_LINE];
- int tc_outerror; /* flag an output error */
+ int tc_outerror;/* flag an output error */
};
static const char *tcl_port;
@@ -104,8 +103,7 @@ static int tcl_input(struct connection *connection)
return ERROR_CONNECTION_REJECTED;
/* push as much data into the line as possible */
- for (i = 0; i < rlen; i++)
- {
+ for (i = 0; i < rlen; i++) {
/* buffer the data */
tclc->tc_line[tclc->tc_lineoffset] = in[i];
if (tclc->tc_lineoffset < TCL_MAX_LINE)
@@ -127,12 +125,12 @@ static int tcl_input(struct connection *connection)
if (retval != ERROR_OK)
return retval;
#undef ESTR
- }
- else {
+ } else {
tclc->tc_line[tclc->tc_lineoffset-1] = '\0';
LOG_DEBUG("Executing script:\n %s", tclc->tc_line);
- retval = Jim_Eval_Named(interp, tclc->tc_line, "remote:connection",1);
- LOG_DEBUG("Result: %d\n %s", retval, Jim_GetString(Jim_GetResult(interp), &reslen));
+ retval = Jim_Eval_Named(interp, tclc->tc_line, "remote:connection", 1);
+ LOG_DEBUG("Result: %d\n %s", retval,
+ Jim_GetString(Jim_GetResult(interp), &reslen));
result = Jim_GetString(Jim_GetResult(interp), &reslen);
retval = tcl_output(connection, result, reslen);
if (retval != ERROR_OK)
@@ -160,15 +158,14 @@ static int tcl_closed(struct connection *connection)
int tcl_init(void)
{
- if (strcmp(tcl_port, "disabled") == 0)
- {
+ if (strcmp(tcl_port, "disabled") == 0) {
LOG_INFO("tcl server disabled");
return ERROR_OK;
}
return add_service("tcl", tcl_port, 1,
- &tcl_new_connection, &tcl_input,
- &tcl_closed, NULL);
+ &tcl_new_connection, &tcl_input,
+ &tcl_closed, NULL);
}
COMMAND_HANDLER(handle_tcl_port_command)
diff --git a/src/server/tcl_server.h b/src/server/tcl_server.h
index 8035a04..52cfc97 100644
--- a/src/server/tcl_server.h
+++ b/src/server/tcl_server.h
@@ -25,4 +25,4 @@
int tcl_init(void);
int tcl_register_commands(struct command_context *cmd_ctx);
-#endif /* _TCL_SERVER_H_ */
+#endif /* _TCL_SERVER_H_ */
diff --git a/src/server/telnet_server.c b/src/server/telnet_server.c
index 2be5ccc..5d2e3bc 100644
--- a/src/server/telnet_server.c
+++ b/src/server/telnet_server.c
@@ -23,6 +23,7 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -33,10 +34,10 @@
static const char *telnet_port;
static char *negotiate =
- "\xFF\xFB\x03" /* IAC WILL Suppress Go Ahead */
- "\xFF\xFB\x01" /* IAC WILL Echo */
- "\xFF\xFD\x03" /* IAC DO Suppress Go Ahead */
- "\xFF\xFE\x01"; /* IAC DON'T Echo */
+ "\xFF\xFB\x03" /* IAC WILL Suppress Go Ahead */
+ "\xFF\xFB\x01" /* IAC WILL Echo */
+ "\xFF\xFD\x03" /* IAC DO Suppress Go Ahead */
+ "\xFF\xFE\x01"; /* IAC DON'T Echo */
#define CTRL(c) (c - '@')
@@ -45,16 +46,14 @@ static char *negotiate =
* succeed. Shudder!
*/
static int telnet_write(struct connection *connection, const void *data,
- int len)
+ int len)
{
struct telnet_connection *t_con = connection->priv;
if (t_con->closed)
return ERROR_SERVER_REMOTE_CLOSED;
if (connection_write(connection, data, len) == len)
- {
return ERROR_OK;
- }
t_con->closed = 1;
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -80,21 +79,17 @@ static int telnet_outputline(struct connection *connection, const char *line)
len = strlen(line);
telnet_write(connection, line, len);
- if (line_end)
- {
+ if (line_end) {
telnet_write(connection, "\r\n", 2);
line += len + 1;
- }
- else
- {
+ } else
line += len;
- }
}
return ERROR_OK;
}
-static int telnet_output(struct command_context *cmd_ctx, const char* line)
+static int telnet_output(struct command_context *cmd_ctx, const char *line)
{
struct connection *connection = cmd_ctx->output_handler_priv;
@@ -102,15 +97,14 @@ static int telnet_output(struct command_context *cmd_ctx, const char* line)
}
static void telnet_log_callback(void *priv, const char *file, unsigned line,
- const char *function, const char *string)
+ const char *function, const char *string)
{
struct connection *connection = priv;
struct telnet_connection *t_con = connection->priv;
int i;
/* if there is no prompt, simply output the message */
- if (t_con->line_cursor < 0)
- {
+ if (t_con->line_cursor < 0) {
telnet_outputline(connection, string);
return;
}
@@ -156,20 +150,18 @@ static int telnet_new_connection(struct connection *connection)
telnet_write(connection, negotiate, strlen(negotiate));
/* print connection banner */
- if (telnet_service->banner)
- {
+ if (telnet_service->banner) {
telnet_write(connection, telnet_service->banner, strlen(telnet_service->banner));
telnet_write(connection, "\r\n", 2);
}
- telnet_write(connection, "\r", 1); /* the prompt is always placed at the line beginning */
+ telnet_write(connection, "\r", 1); /* the prompt is always placed at the line beginning
+ **/
telnet_prompt(connection);
/* initialize history */
for (i = 0; i < TELNET_LINE_HISTORY_SIZE; i++)
- {
telnet_connection->history[i] = NULL;
- }
telnet_connection->next_history = 0;
telnet_connection->current_history = 0;
@@ -179,17 +171,16 @@ static int telnet_new_connection(struct connection *connection)
}
static void telnet_clear_line(struct connection *connection,
- struct telnet_connection *t_con)
+ struct telnet_connection *t_con)
{
/* move to end of line */
if (t_con->line_cursor < t_con->line_size)
- {
- telnet_write(connection, t_con->line + t_con->line_cursor, t_con->line_size - t_con->line_cursor);
- }
+ telnet_write(connection,
+ t_con->line + t_con->line_cursor,
+ t_con->line_size - t_con->line_cursor);
/* backspace, overwrite with space, backspace */
- while (t_con->line_size > 0)
- {
+ while (t_con->line_size > 0) {
telnet_write(connection, "\b \b", 3);
t_con->line_size--;
}
@@ -208,71 +199,68 @@ static int telnet_input(struct connection *connection)
if (bytes_read == 0)
return ERROR_SERVER_REMOTE_CLOSED;
- else if (bytes_read == -1)
- {
+ else if (bytes_read == -1) {
LOG_ERROR("error during read: %s", strerror(errno));
return ERROR_SERVER_REMOTE_CLOSED;
}
buf_p = buffer;
- while (bytes_read)
- {
- switch (t_con->state)
- {
+ while (bytes_read) {
+ switch (t_con->state) {
case TELNET_STATE_DATA:
if (*buf_p == 0xff)
- {
t_con->state = TELNET_STATE_IAC;
- }
- else
- {
- if (isprint(*buf_p)) /* printable character */
- {
- /* watch buffer size leaving one spare character for string null termination */
- if (t_con->line_size == TELNET_LINE_MAX_SIZE-1)
- {
+ else {
+ if (isprint(*buf_p)) { /* printable character */
+ /* watch buffer size leaving one spare character for
+ *string null termination */
+ if (t_con->line_size == TELNET_LINE_MAX_SIZE-1) {
/* output audible bell if buffer is full */
- telnet_write(connection, "\x07", 1); /* "\a" does not work, at least on windows */
- }
- else if (t_con->line_cursor == t_con->line_size)
- {
+ telnet_write(connection, "\x07", 1); /*
+ *"\a"
+ *does
+ *not
+ *work,
+ *at
+ *least
+ *on
+ *windows
+ **/
+ } else if (t_con->line_cursor == t_con->line_size) {
telnet_write(connection, buf_p, 1);
t_con->line[t_con->line_size++] = *buf_p;
t_con->line_cursor++;
- }
- else
- {
+ } else {
int i;
- memmove(t_con->line + t_con->line_cursor + 1, t_con->line + t_con->line_cursor, t_con->line_size - t_con->line_cursor);
+ memmove(t_con->line + t_con->line_cursor + 1,
+ t_con->line + t_con->line_cursor,
+ t_con->line_size - t_con->line_cursor);
t_con->line[t_con->line_cursor] = *buf_p;
t_con->line_size++;
- telnet_write(connection, t_con->line + t_con->line_cursor, t_con->line_size - t_con->line_cursor);
+ telnet_write(connection,
+ t_con->line + t_con->line_cursor,
+ t_con->line_size - t_con->line_cursor);
t_con->line_cursor++;
for (i = t_con->line_cursor; i < t_con->line_size; i++)
- {
telnet_write(connection, "\b", 1);
- }
}
- }
- else /* non-printable */
- {
- if (*buf_p == 0x1b) /* escape */
- {
+ } else { /* non-printable */
+ if (*buf_p == 0x1b) { /* escape */
t_con->state = TELNET_STATE_ESCAPE;
t_con->last_escape = '\x00';
- }
- else if ((*buf_p == 0xd) || (*buf_p == 0xa)) /* CR/LF */
- {
+ } else if ((*buf_p == 0xd) || (*buf_p == 0xa)) { /*
+ *CR/LF
+ **/
int retval;
- /* skip over combinations with CR/LF and NUL characters */
- if ((bytes_read > 1) && ((*(buf_p + 1) == 0xa) || (*(buf_p + 1) == 0xd)))
- {
+ /* skip over combinations with CR/LF and NUL
+ *characters */
+ if ((bytes_read > 1) && ((*(buf_p + 1) == 0xa) ||
+ (*(buf_p + 1) == 0xd))) {
buf_p++;
bytes_read--;
}
- if ((bytes_read > 1) && (*(buf_p + 1) == 0))
- {
+ if ((bytes_read > 1) && (*(buf_p + 1) == 0)) {
buf_p++;
bytes_read--;
}
@@ -280,16 +268,19 @@ static int telnet_input(struct connection *connection)
telnet_write(connection, "\r\n\x00", 3);
- if (strcmp(t_con->line, "history") == 0)
- {
+ if (strcmp(t_con->line, "history") == 0) {
int i;
- for (i = 1; i < TELNET_LINE_HISTORY_SIZE; i++)
- {
- /* the t_con->next_history line contains empty string (unless NULL), thus it is not printed */
- char *history_line = t_con->history[(t_con->next_history + i) % TELNET_LINE_HISTORY_SIZE];
- if (history_line)
- {
- telnet_write(connection, history_line, strlen(history_line));
+ for (i = 1; i < TELNET_LINE_HISTORY_SIZE; i++) {
+ /* the t_con->next_history
+ *line contains empty string
+ *(unless NULL), thus it is
+ *not printed */
+ char *history_line = t_con->history[(t_con->
+ next_history + i) %
+ TELNET_LINE_HISTORY_SIZE];
+ if (history_line) {
+ telnet_write(connection, history_line,
+ strlen(history_line));
telnet_write(connection, "\r\n\x00", 3);
}
}
@@ -298,35 +289,41 @@ static int telnet_input(struct connection *connection)
continue;
}
- /* save only non-blank not repeating lines in the history */
- char *prev_line = t_con->history[(t_con->current_history > 0) ? t_con->current_history - 1 : TELNET_LINE_HISTORY_SIZE-1];
- if (*t_con->line && (prev_line == NULL || strcmp(t_con->line, prev_line)))
- {
- /* if the history slot is already taken, free it */
+ /* save only non-blank not repeating lines
+ *in the history */
+ char *prev_line = t_con->history[(t_con->current_history > 0) ?
+ t_con->current_history - 1 : TELNET_LINE_HISTORY_SIZE-1];
+ if (*t_con->line && (prev_line == NULL ||
+ strcmp(t_con->line, prev_line))) {
+ /* if the history slot is already
+ *taken, free it */
if (t_con->history[t_con->next_history])
- {
free(t_con->history[t_con->next_history]);
- }
/* add line to history */
t_con->history[t_con->next_history] = strdup(t_con->line);
- /* wrap history at TELNET_LINE_HISTORY_SIZE */
- t_con->next_history = (t_con->next_history + 1) % TELNET_LINE_HISTORY_SIZE;
+ /* wrap history at
+ *TELNET_LINE_HISTORY_SIZE */
+ t_con->next_history = (t_con->next_history + 1) %
+ TELNET_LINE_HISTORY_SIZE;
- /* current history line starts at the new entry */
- t_con->current_history = t_con->next_history;
+ /* current history line starts at
+ *the new entry */
+ t_con->current_history =
+ t_con->next_history;
if (t_con->history[t_con->current_history])
- {
free(t_con->history[t_con->current_history]);
- }
t_con->history[t_con->current_history] = strdup("");
}
t_con->line_size = 0;
- t_con->line_cursor = -1; /* to supress prompt in log callback during command execution */
+ t_con->line_cursor = -1; /* to supress prompt
+ *in log callback
+ *during command
+ *execution */
retval = command_run_line(command_context, t_con->line);
@@ -335,83 +332,84 @@ static int telnet_input(struct connection *connection)
if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
return ERROR_SERVER_REMOTE_CLOSED;
- telnet_write(connection, "\r", 1); /* the prompt is always placed at the line beginning */
+ telnet_write(connection, "\r", 1); /*
+ *the
+ *prompt
+ *is
+ *always
+ *placed
+ *at
+ *the
+ *line
+ *beginning
+ **/
retval = telnet_prompt(connection);
if (retval == ERROR_SERVER_REMOTE_CLOSED)
return ERROR_SERVER_REMOTE_CLOSED;
- }
- else if ((*buf_p == 0x7f) || (*buf_p == 0x8)) /* delete character */
- {
- if (t_con->line_cursor > 0)
- {
- if (t_con->line_cursor != t_con->line_size)
- {
+ } else if ((*buf_p == 0x7f) || (*buf_p == 0x8)) { /*
+ *delete
+ *character
+ **/
+ if (t_con->line_cursor > 0) {
+ if (t_con->line_cursor != t_con->line_size) {
int i;
telnet_write(connection, "\b", 1);
t_con->line_cursor--;
t_con->line_size--;
- memmove(t_con->line + t_con->line_cursor, t_con->line + t_con->line_cursor + 1, t_con->line_size - t_con->line_cursor);
-
- telnet_write(connection, t_con->line + t_con->line_cursor, t_con->line_size - t_con->line_cursor);
+ memmove(t_con->line + t_con->line_cursor,
+ t_con->line + t_con->line_cursor + 1,
+ t_con->line_size -
+ t_con->line_cursor);
+
+ telnet_write(connection,
+ t_con->line + t_con->line_cursor,
+ t_con->line_size -
+ t_con->line_cursor);
telnet_write(connection, " \b", 2);
for (i = t_con->line_cursor; i < t_con->line_size; i++)
- {
telnet_write(connection, "\b", 1);
- }
- }
- else
- {
+ } else {
t_con->line_size--;
t_con->line_cursor--;
- /* back space: move the 'printer' head one char back, overwrite with space, move back again */
+ /* back space: move the
+ *'printer' head one char
+ *back, overwrite with
+ *space, move back again */
telnet_write(connection, "\b \b", 3);
}
}
- }
- else if (*buf_p == 0x15) /* clear line */
- {
+ } else if (*buf_p == 0x15) /* clear line */
telnet_clear_line(connection, t_con);
- }
- else if (*buf_p == CTRL('B')) /* cursor left */
- {
- if (t_con->line_cursor > 0)
- {
+ else if (*buf_p == CTRL('B')) { /* cursor left */
+ if (t_con->line_cursor > 0) {
telnet_write(connection, "\b", 1);
t_con->line_cursor--;
}
t_con->state = TELNET_STATE_DATA;
- }
- else if (*buf_p == CTRL('F')) /* cursor right */
- {
+ } else if (*buf_p == CTRL('F')) { /* cursor right */
if (t_con->line_cursor < t_con->line_size)
- {
telnet_write(connection, t_con->line + t_con->line_cursor++, 1);
- }
t_con->state = TELNET_STATE_DATA;
- }
- else
- {
+ } else
LOG_DEBUG("unhandled nonprintable: %2.2x", *buf_p);
- }
}
}
break;
case TELNET_STATE_IAC:
- switch (*buf_p)
- {
- case 0xfe:
- t_con->state = TELNET_STATE_DONT;
- break;
- case 0xfd:
- t_con->state = TELNET_STATE_DO;
- break;
- case 0xfc:
- t_con->state = TELNET_STATE_WONT;
- break;
- case 0xfb:
- t_con->state = TELNET_STATE_WILL;
- break;
+ switch (*buf_p) {
+ case 0xfe:
+ t_con->state = TELNET_STATE_DONT;
+ break;
+ case 0xfd:
+ t_con->state = TELNET_STATE_DO;
+ break;
+ case 0xfc:
+ t_con->state = TELNET_STATE_WONT;
+ break;
+ case 0xfb:
+ t_con->state = TELNET_STATE_WILL;
+ break;
}
break;
case TELNET_STATE_SB:
@@ -425,30 +423,22 @@ static int telnet_input(struct connection *connection)
t_con->state = TELNET_STATE_DATA;
break;
case TELNET_STATE_ESCAPE:
- if (t_con->last_escape == '[')
- {
- if (*buf_p == 'D') /* cursor left */
- {
- if (t_con->line_cursor > 0)
- {
+ if (t_con->last_escape == '[') {
+ if (*buf_p == 'D') { /* cursor left */
+ if (t_con->line_cursor > 0) {
telnet_write(connection, "\b", 1);
t_con->line_cursor--;
}
t_con->state = TELNET_STATE_DATA;
- }
- else if (*buf_p == 'C') /* cursor right */
- {
+ } else if (*buf_p == 'C') { /* cursor right */
if (t_con->line_cursor < t_con->line_size)
- {
- telnet_write(connection, t_con->line + t_con->line_cursor++, 1);
- }
+ telnet_write(connection,
+ t_con->line + t_con->line_cursor++, 1);
t_con->state = TELNET_STATE_DATA;
- }
- else if (*buf_p == 'A') /* cursor up */
- {
- int last_history = (t_con->current_history > 0) ? t_con->current_history - 1 : TELNET_LINE_HISTORY_SIZE-1;
- if (t_con->history[last_history])
- {
+ } else if (*buf_p == 'A') { /* cursor up */
+ int last_history = (t_con->current_history > 0) ?
+ t_con->current_history - 1 : TELNET_LINE_HISTORY_SIZE-1;
+ if (t_con->history[last_history]) {
telnet_clear_line(connection, t_con);
t_con->line_size = strlen(t_con->history[last_history]);
t_con->line_cursor = t_con->line_size;
@@ -457,12 +447,9 @@ static int telnet_input(struct connection *connection)
t_con->current_history = last_history;
}
t_con->state = TELNET_STATE_DATA;
- }
- else if (*buf_p == 'B') /* cursor down */
- {
+ } else if (*buf_p == 'B') { /* cursor down */
int next_history = (t_con->current_history + 1) % TELNET_LINE_HISTORY_SIZE;
- if (t_con->history[next_history])
- {
+ if (t_con->history[next_history]) {
telnet_clear_line(connection, t_con);
t_con->line_size = strlen(t_con->history[next_history]);
t_con->line_cursor = t_con->line_size;
@@ -471,60 +458,41 @@ static int telnet_input(struct connection *connection)
t_con->current_history = next_history;
}
t_con->state = TELNET_STATE_DATA;
- }
- else if (*buf_p == '3')
- {
+ } else if (*buf_p == '3')
t_con->last_escape = *buf_p;
- }
else
- {
t_con->state = TELNET_STATE_DATA;
- }
- }
- else if (t_con->last_escape == '3')
- {
+ } else if (t_con->last_escape == '3') {
/* Remove character */
- if (*buf_p == '~')
- {
- if (t_con->line_cursor < t_con->line_size)
- {
+ if (*buf_p == '~') {
+ if (t_con->line_cursor < t_con->line_size) {
int i;
t_con->line_size--;
/* remove char from line buffer */
- memmove(t_con->line + t_con->line_cursor, t_con->line + t_con->line_cursor + 1, t_con->line_size - t_con->line_cursor);
+ memmove(t_con->line + t_con->line_cursor,
+ t_con->line + t_con->line_cursor + 1,
+ t_con->line_size - t_con->line_cursor);
/* print remainder of buffer */
- telnet_write(connection, t_con->line + t_con->line_cursor, t_con->line_size - t_con->line_cursor);
+ telnet_write(connection, t_con->line + t_con->line_cursor,
+ t_con->line_size - t_con->line_cursor);
/* overwrite last char with whitespace */
telnet_write(connection, " \b", 2);
/* move back to cursor position*/
for (i = t_con->line_cursor; i < t_con->line_size; i++)
- {
telnet_write(connection, "\b", 1);
- }
}
t_con->state = TELNET_STATE_DATA;
- }
- else
- {
+ } else
t_con->state = TELNET_STATE_DATA;
- }
- }
- else if (t_con->last_escape == '\x00')
- {
+ } else if (t_con->last_escape == '\x00') {
if (*buf_p == '[')
- {
t_con->last_escape = *buf_p;
- }
else
- {
t_con->state = TELNET_STATE_DATA;
- }
- }
- else
- {
+ } else {
LOG_ERROR("BUG: unexpected value in t_con->last_escape");
t_con->state = TELNET_STATE_DATA;
}
@@ -549,16 +517,13 @@ static int telnet_connection_closed(struct connection *connection)
log_remove_callback(telnet_log_callback, connection);
- if (t_con->prompt)
- {
+ if (t_con->prompt) {
free(t_con->prompt);
t_con->prompt = NULL;
}
- for (i = 0; i < TELNET_LINE_HISTORY_SIZE; i++)
- {
- if (t_con->history[i])
- {
+ for (i = 0; i < TELNET_LINE_HISTORY_SIZE; i++) {
+ if (t_con->history[i]) {
free(t_con->history[i]);
t_con->history[i] = NULL;
}
@@ -567,23 +532,18 @@ static int telnet_connection_closed(struct connection *connection)
/* if this connection registered a debug-message receiver delete it */
delete_debug_msg_receiver(connection->cmd_ctx, NULL);
- if (connection->priv)
- {
+ if (connection->priv) {
free(connection->priv);
connection->priv = NULL;
- }
- else
- {
+ } else
LOG_ERROR("BUG: connection->priv == NULL");
- }
return ERROR_OK;
}
int telnet_init(char *banner)
{
- if (strcmp(telnet_port, "disabled") == 0)
- {
+ if (strcmp(telnet_port, "disabled") == 0) {
LOG_INFO("telnet server disabled");
return ERROR_OK;
}
@@ -592,7 +552,13 @@ int telnet_init(char *banner)
telnet_service->banner = banner;
- return add_service("telnet", telnet_port, 1, telnet_new_connection, telnet_input, telnet_connection_closed, telnet_service);
+ return add_service("telnet",
+ telnet_port,
+ 1,
+ telnet_new_connection,
+ telnet_input,
+ telnet_connection_closed,
+ telnet_service);
}
/* daemon configuration command telnet_port */
diff --git a/src/server/telnet_server.h b/src/server/telnet_server.h
index b0c5ceb..8a03366 100644
--- a/src/server/telnet_server.h
+++ b/src/server/telnet_server.h
@@ -23,6 +23,7 @@
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifndef TELNET_SERVER_H
#define TELNET_SERVER_H
@@ -34,8 +35,7 @@
#define TELNET_LINE_HISTORY_SIZE (128)
#define TELNET_LINE_MAX_SIZE (256)
-enum telnet_states
-{
+enum telnet_states {
TELNET_STATE_DATA,
TELNET_STATE_IAC,
TELNET_STATE_SB,
@@ -47,8 +47,7 @@ enum telnet_states
TELNET_STATE_ESCAPE,
};
-struct telnet_connection
-{
+struct telnet_connection {
char *prompt;
enum telnet_states state;
char line[TELNET_LINE_MAX_SIZE];
@@ -63,12 +62,11 @@ struct telnet_connection
int closed;
};
-struct telnet_service
-{
+struct telnet_service {
char *banner;
};
int telnet_init(char *banner);
int telnet_register_commands(struct command_context *command_context);
-#endif /* TELNET_SERVER_H */
+#endif /* TELNET_SERVER_H */
generated by cgit v1.1 at 2024-11-08 15:54:38 +0000